Skip to content

Publications

Recent Publications

Effect of feed-time duration on discrimination of vocalizations in a go/no-go operant paradigm
Discrimination of high- and low-threat vocalizations: An examination of referential communication in black-capped chickadee (Poecile atricapillus) mobbing calls.
Pitch chroma information is processed in addition to pitch height information with more than two pitch range categories 

Refereed Journal Publications

  1. Sahu, P.K., Montenegro, C., Lambert, C.T., Oprea, A., Deimeke, M.J., Rennie, V., Smeltz, S.M.L, Benowicz, T.J., Patel, D., Phillmore, L.S., & Sturdy, C.B. (published 17 November 2022). Effect of feed-time duration on discrimination of vocalizations in a go/no-go operant paradigm, Behavioural Processes, https://doi.org/10.1016/j.beproc.2022.104777
  2. Congdon, J.V., Hahn, A.H., Campbell, K.A., Scully, E.N., Mischler, S.K., Montenegro, C., Service, W.D., & Sturdy, C.B. (published August, 2022). Discrimination of high- and low-threat vocalizations: An examination of referential communication in black-capped chickadee (Poecile atricapillus) mobbing calls. Animal Behavior and Cognition. 9(3), 298-315. https://doi.org/10.26451/abc.09.03.04.2022
  3. Wagner, B., Sturdy, C.B., Weisman, R.G., Hoeschele, M. (published 1 June 2022). Pitch chroma information is processed in addition to pitch height information with more than two pitch range categories. Attention, Perception, and Psychophysics. DOI: https://doi.org/10.3758/s13414-022-02496-1
  4. Sahu, P.K., Campbell, K.A., Oprea, A., Phillmore, L.S. & Sturdy, C.B. (published 19 May 2022). Comparing methodologies for classification of zebra finch distance calls. Journal of the Acoustical Society of America. 151, 3305. DOI: https://doi.org/10.1121/10.0011401
  5. Lambert, C.T., Sahu, P.K., Sturdy, C.B., & Guillette, L.M. (published 18 May 2022). Among-individual differences in auditory and physical cognitive abilities in zebra finches. Learning & Behavior. DOI: https://doi.org/10.3758/s13420-022-00520-w
  6. Montenegro, C., Sahu, P., & Sturdy, C.B. (2021). Individual acoustic differences in female black-capped chickadee (Poecile atricapillusfee-bee songs. Journal of the Acoustical Society of America, 150(4) 3038-3046.  DOI: https://doi.org/10.1121/10.0006532
  7. Montenegro, C., Service, W.D., Scully, E.N., Mischler, S.K., Benowicz, T., Fox, K.V., Sahu, P., & Sturdy, C.B. (2021). The impact of anthropogenic noise on individual identification via female song in black-capped chickadees (Poecile atricapillus). Scientific Reports. DOI: https://doi.org/10.1038/s41598-021-96504-3
  8. Congdon, J.V., Hahn, A.H., Campbell, K.A., Scully, E.N., Yip, D.A., Bayne, E.M. & Sturdy, C.B. ( 2020). Can you hear me now? The effect of signal degradation on perceived predator threat in black-capped chickadees. Animal Cognition, 24, 193-204. DOI: https://link.springer.com/article/10.1007/s10071-020-01433-9
  9. ​Scully, E.N., Montenegro, C., & Sturdy, C.B. (2020). Differential immediate early gene activity revealed by playback of male and female incomplete chick-a-dee calls. Behavioral Brain Research, 393, 1-5. DOI: https://doi.org/10.1016/j.bbr.2020.112775
  10. Campbell, K.A., Hahn, A.H., Congdon, J.V., Scully, E.N., & Sturdy, C.B. (2020). Perception of sex differences in black-capped chickadee (Poecile atricapilluschick-a-dee calls. Animal Behavior and Cognition, 7(4), 514-530. DOI: https://doi.org/10.26451/abc.07.04.04.2020
  11. Montenegro, C., Service, W.D., Scully, E.N., Mischler, S.K., Campbell, K.A., & Sturdy, C.B. (2020). Black-capped chickadees (Poecile atricapillus) can identify individual females by their fee-bee songs. The Auk, 137, 1-10. DOI: https://doi.org/10.1093/auk/ukaa028 (Invited blog post: https://americanornithology.org/investigating-female-song-use-in-black-capped-chickadees/
  12. Scully, E.N., Campbell, K.A., Congdon, J.V., & Sturdy, C.B. (2020). Discrimination of black-capped chickadee (Poecile atricapilluschick-a-dee calls produced across seasons. Animal Behavior and Cognition, 7(2), 247-256. DOI: https://doi.org/10.26451/abc.07.02.14.2020
  13. Congdon, J.V., Hahn, A.H., Campbell, K.A., Scully, E.N., Yip, D.A., Bayne, E.M., & Sturdy, C.B. (accepted 15 February 2020). Acoustic discrimination of predators by black-capped chickadees (Poecile atricapillus). Animal Cognition, 23, 595–611. DOI: 10.1007/s10071-020-01364-5
  14. Scully, E.N., Montoya Sanchez, J., & Sturdy, C.B. (2019). Abcam Monoclonal Egr-1 ab133695 is an effective primary antibody replacement for Santa Cruz sc-189 polyclonal Egr-1 in songbirds. Heliyon, e02938. DOI: https://doi.org/10.1016/j.heliyon.2019.e02938
  15. Campbell, K.A.Thunberg, S., & Sturdy, C.B. (2019). Features of male and female-produced song in black-capped chickadees (Poecile atricapillus) change between seasons. Canadian Acoustics – Acoustique canadienne, 47(3), 36-27.
  16. Congdon, J.V., Hahn, A.H.*, Filippi, P.*, Campbell, K.A.*, Hoang, J., Scully, E.N., Bowling, D.L., Reber, S.A., & Sturdy, C.B. (2019). Hear them roar: A comparison of black-capped chickadee (Poecile atricapillus) and human (Homo sapiens) perception of arousal in vocalizations across all classes of terrestrial vertebrates. Journal of Comparative Psychology, 133(4), 520–541.  http://dx.doi.org/10.1037/com0000187
  17. Sturdy, C.B. & Congdon, J.V. (2019). Sometimes a stick might just be a stick. Learning & Behavior,  47, (2), 115–116. DOI: 10.3758/s13420-019-00378-5
  18.  Campbell, K.A., Proppe, D.S., Congdon, J.V., Scully, E. N., Mischler, S. K., & Sturdy, C.B. (2018). The effects of anthropogenic noise on feeding behaviour in black-capped chickdaees (Poecile atricapillus). Behavioural Processes.
  19. Scully, E.N., Schuldhaus, B.C., Congdon, J.V., Hahn, A.H., Campbell, K.A., Wilson, D.R., & Sturdy, C.B. (2018). ZENK expression in the auditory pathway of black-capped chickadees (Poecile atricapillus) as a function of D note number and duty cycle of chick-a-dee calls. Behavioural Brain Research.
  20. Sturdy, C.B., & Nicoladis, E.N. (2017). How much of language acquisition does operant conditioning explain? Frontiers in Psychology.
  21. ​Apol, C.A., Sturdy, C.B., &, Proppe, D.S. (2017). Lack of seasonal variation in habitat may have facilitated the loss of a song in the boreal chickadee. Evolutionary Ecology. DOI: 10.1007/s10682-017-9921-4
  22. ​Filippi, P., Congdon, J.V., Hoang, J., Bowling, D., Reber, S., Pasukonis, A., Hoeschele, M., Ocklenburg, S., de Boer, B., Sturdy, C.B., Newen, A. & Güntürkün, O. (2017). Humans recognize emotional arousal in vocalizations across all classes of terrestrial vertebrates: Evidence for acoustic universals. Proceedings of the Royal Society: Series B.
  23. Scully, E.N., Hahn, A.H., Campbell, K.A., McMillan, N., Condon, J.V., & Sturdy, C.B. (2017). ZENK expression following conspecific and heterospecific playback in the zebra finch auditory forebrain. Behavioral Brain Research.
  24. Mercado, E. III, Wisniewski, M.G., McIntosh, B., Guillette, L.M., Hahn, A.H., & Sturdy, C.B. (2017). Chickadee songs provide hidden clues to singers’ locations. Animal Behavior and Cognition.
  25. McMillan, N., Hahn, A.H., Campbell, K.A., Congdon, J.V., Spetch, M.L., & Sturdy, C.B. (2017). Chickadees perform poorly on midsession reversal tasks without rigid temporal regularity. Animal Cognition, 20, 655-663. DOI: 10.1007/s10071-017-1088-4
  26. Hahn, A.H., Campbell, K.A., Congdon, J.V., Hoang, J., McMillan, N., Scully, E.N., Yong, J.J.H., Elie, J.E., & Sturdy, C.B. (2017). Discrimination of acoustically similar conspecific and heterospecific vocalizations by black-capped chickadees (Poecile atricapillus). Animal Cognition, 20, 639-654. DOI: 10.1007/s10071-017-1087-5
  27. McMillan, N., Spetch, M.L., Sturdy, C.B., & Roberts, W.A. (2017). It’s all a matter of time: Interval timing and competition for stimulus control. Comparative Cognition & Behavior Reviews, 12, 83-103 DOI: 10.3819/CCBR.2017.120007
  28. Sturdy, C.B., Campbell, K.A., Congdon, J.V., Hahn, A.H., McMillan, N., & Scully, E.N. (2017). Moving from perceptual to functional categories in songbirds.​ International Journal of Comparative Psychology, 30, 1-14. DOI: http://escholarship.org/uc/item/7tt6p5qt
  29. Hahn, A.H., Guillette, L.M., Hoeschele, M., Otter, K.A., Ratcliffe, L.M., & Sturdy, C.B. (2017). Discrimination of male black-capped chickadee songs: Relationship between acoustic preference and performance accuracy. Animal Behaviour, 126, 107-121. DOI: http://dx.doi.org/10.1016/j.anbehav.2017.02.001 
  30. Proppe, D.S., McMillan, N., Congdon, J.V., & Sturdy, C.B. (2017). Mitigating road impacts on animals through learning principles. Animal Cognition, 20, 19–31. DOI: 10.1007/s10071-016-0989-y
  31. Guillette, L.M., Baron, D.M., Sturdy, C.B., & Spetch, M.L. (2017). Individual differences in generalization gradients and exploratory behaviour in pigeons. Behavioural Processes, 134, 54–62. DOI: http://dx.doi.org/10.1016/j.beproc.2016.07.006http://dx.doi.org/10.1016/j.beproc.2016.07.006
  32. Campbell, K.A., Hahn, A.H., Congdon, J.V., & Sturdy, C.B. (2016). Sex differences in black-capped chickadee (Poecile atricapillus) chick-a-dee calls. Journal of the Acoustical Society of America, 140, 1598–1608. DOI: http://dx.doi.org/10.1121/1.4962281
  33. Congdon, J.V., Hahn, A.H., McMillan, N., Avey, M.T., & Sturdy, C.B. (2016). Chickadee behavioural response to varying threat levels of predator and conspecific calls. International Journal of Comparative Psychology. DOI: http://escholarship.org/uc/item/4rd8324f 
  34. Hahn, A.H., Hoeschele, M., Guillette, L.M., Hoang, J., McMillan, N., Congdon, J.V., Campbell, K.A., Mennill, D.J., Otter, K.A., Grava, T., Ratcliffe, L.M., & Sturdy, C.B. (2016). Black-capped chickadees categorize songs based on features that vary geographically. Animal Behaviour, 112, 94-104. DOI: 10.1016/j.anbehav.2015.11.017
  35. McMillan, N., Sturdy, C. B., Pisklak, J. M., & Spetch, M. L. (2016). Pigeons perform poorly on midsession reversal tasks without rigid temporal regularity. Animal Cognition, 19, 855–859. DOI: 10.1007/s10071-016-0962-9
  36. McMillan, N., & Sturdy, C.B. (2015). Commentary: “A crisis in comparative psychology: Where have all the undergraduates gone?” Frontiers in Psychology. DOI: http://dx.doi.org/10.3389/fpsyg.2015.01589 
  37. Hahn, A.H., Guillette, L.M., Lee, D., McMillan, N., Hoang, J., & Sturdy, C.B. (2015). Experience affects immediate early gene expression in response to conspecific call notes in black-capped chickadees (Poecile atricapillus). Behavioural Brain Research, 287, 49–58. DOI: 10.1016/j.bbr.2015.03.021
  38. Hahn, A.H., Hoang, J., McMillan, N., Campbell, K., Congdon, J., & Sturdy, C.B. (2015). Biological salience influences performance and acoustic mechanisms for the discrimination of male and female songs. Animal Behaviour, 104, 213-228. DOI: 10.1016/j.anbehav.2015.03.023 
  39. McMillan, N., Hahn, A.H., Spetch M.L., & Sturdy, C.B. Avian cognition. (2015). Wiley Interdisciplinary Reviews: Cognitive Science, 6(3), 285–297. DOI: 10.1002/wcs.1346
  40. McMillan, N., Sturdy, C.B. & Spetch M.L. (2015). When is a choice not a choice? Pigeons fail to inhibit incorrect responses on a go/no-go midsession reversal task. Journal of Experimental Psychology: Animal Learning and Cognition, 41, 255-265. DOI: http://dx.doi.org/10.1037/xan0000058 
  41. Avey, M.T., Bloomfield, L.L., Elie, J.E., Freeberg, T.M., Guillette, L.M., Hoeschele, M., Lee, H., Moscicki, M.K., Owens, J.L., Sturdy, C.B. (2014). ZENK activation in the nidopallium of black-capped chickadees in response to both conspecific and heterospecific calls. PLoS ONE, 9(6): e100927. DOI: 10.1371/journal.pone.0100927 
  42. Guillette, L.M., Hahn, A.H., Hoeschele, M., Przyslupski, A.-M., & Sturdy, C.B. (2014). Individual differences in learning speed, performance accuracy and exploratory behaviour in black-capped chickadees. Animal Cognition, 18(1), 165-178. DOI: 10.1007/s10071-014-0787-3
  43. Hoeschele, M., Cook, R.G., Guillette, L.M., Hahn, A.H., & Sturdy, C.B. (2014). Timbre influences chord discrimination in black-capped chickadees but not humans. To appear in Journal of Comparative Psychology, 128(4), 387-401. DOI: http://dx.doi.org/10.1037/a0037159
  44. Weisman, R.G., Hoeschele, M., & Sturdy, C.B. (2014). A comparative analysis of auditory perception in humans and songbirds: a modular approach. Behavioural Processes, 104, 35-43. DOI: 10.1016/j.beproc.2014.02.006 
  45. Zhai, Y., Dasog, M., Snitynsky, R.B., Purkait, T.K., Hahn, A.H., Sturdy, C.B., Lowary, T.L., & Veinot, J.G.C. (2014). Water-soluble photoluminescent D-mannose and L-alanine functionalized silicon nanocrystals and their application to cancer cell imaging. Journal of Materials Chemistry B, 2, 8427-8433. DOI: 10.1039/C4TB01161A 
  46. Proppe, D.S., Byers, K.A., Sturdy, C.B., St. Clair, C.C. (2013). Physical condition of black-capped chickadees (Poecile atricapillus) in relation to road disturbance. Canadian Journal of Zoology, 91(11), 842-845. DOI: 10.1139/cjz-2013-0081 
  47. Grava, T., Fairhurst, G.D., Avey, M.T., Grava, A., Bradley, J., Avis, J.L., Bortolotti, G.R., Sturdy, C.B., & Otter, K.A. (2013). Habitat quality affects early physiology and subsequent neuromotor development of juvenile black-capped chickadees. PLoS ONE. DOI: 10.1371/journal.pone.0071852
  48. Hahn, A.H., Guillette, L.M., Hoeschele, M., Mennill, D.J., Otter, K.A., Grava, T., Ratcliffe, L.M., & Sturdy, C.B. (2013). Dominance and geographic information contained within black-capped chickadee (Poecile atricapillus) song. Behaviour, 150, 1601-1622. (cover photo) DOI: 10.1163/1568539X-00003111 
  49. Hahn, A.H., Krysler, A., & Sturdy, C.B. (2013). Female song in black-capped chickadees (Poecile atricapillus): Acoustic song features that contain individual identity information and sex differences. Behavioural Processes, 98, 98-105. DOI: 10.1016/j.beproc.2013.05.006
  50. Hoeschele, M., Weisman, R.G., Guillette, L.M., Hahn, A.H., & Sturdy, C.B. (2013). Chickadees fail standardized operant tests for octave equivalence. Animal Cognition, 16(4), 599-609. DOI: 10.1007/s10071-013-0597-z 
  51. Proppe, D.S., Sturdy, C.B., & St. Clair, C.C. Anthropogenic noise decreases urban songbird diversity and may contribute to homogenization. (2013). Global Change Biology, 19(4), 1075–1084. DOI: 10.1111/gcb.12098
  52. Guillette, L.M., Hoeschele, M., Hahn, A.H., & Sturdy, C.B. (2012). Heterospecific discrimination of Poecile vocalizations by zebra finches (Taeniopygia guttata). Journal of Comparative Psychology. DOI: 10.1037/a0029992 
  53. Hoeschele, M., Cook, R.G., Guillette, L.M., Hahn, A.H., & Sturdy, C.B. (2012). Auditory same/different concept learning and generalization in black-capped chickadees (Poecile atricapillus). PLoS ONE. DOI: 10.1371/journal.pone.0047691
  54. Hoeschele, M., Guillette, L.M., Sturdy, C.B. (2012). Biological relevance of acoustic signal affects discrimination performance in a songbird. Animal Cognition, 15(4), 677-688. DOI: 10.1007/s10071-012-0496-8 
  55. Hoeschele, M., Weisman, R.G., & Sturdy, C.B. (2012). Pitch chroma discrimination, generalization, and transfer tests of octave equivalence in humans. Attention, Perception, and Psychophysics, 74(8), 1742-1760. DOI: 10.3758/s13414-012-0364-2
  56. Proppe, D.S., Avey, M.T., Hoeschele, M., Moscicki, M., Farrell, T., St. Clair, C.C., & Sturdy, C.B. (2012). Black-capped chickadees sing at higher pitches with elevated anthropogenic noise, but not with decreasing canopy cover. Journal of Avian Biology, 43(4), 325–332. DOI: 10.1111/j.1600-048X.2012.05640.x 
  57. Weisman, R.G., Balkwill, L.-L., Hoeschele, M., Moscicki, M.K., & Sturdy, C.B. (2012). Identifying absolute pitch possessors without using a note naming task. Psychomusicology: Music, Mind, and Brain, 22(1), 46-54.
  58. Avey M.T., Hoeschele, M., Moscicki, M.K., Bloomfield, L.L., & Sturdy, C.B. (2011). Neural correlates of threat perception: Neural equivalence of conspecific and heterospecific mobbing calls is learned. PLoS ONE, 6(8): e23844. DOI: 10.1371/journal.pone.0023844 
  59. Avey, M.T., Rodriguez, A., & Sturdy C.B. (2011). Seasonal variation of vocal behaviour in a temperate songbird: Assessing the effects of laboratory housing on wild-caught, seasonally-breeding birds. Behavioural Processes, 88, 177-183. DOI: http://dx.doi.org/10.1016/j.beproc.2011.09.005
  60. Guillette, L.M., Bloomfield, L.L., Batty, E.R., Dawson, M.R.W., & Sturdy, C.B. (2011). Development of a contact call in black-capped chickadees (Poecile atricapillus) hand-reared in different acoustic environments. Journal of the Acoustical Society of America, 130 (4), 2249-2256. DOI: http://dx.doi.org/10.1121/1.3628343
  61. Guillette, L.M., Reddon, A.R., Hoeschele, M., & Sturdy, C.B. (2011). Sometimes slower is better: Slow-exploring birds are more sensitive to changes in a vocal discrimination task. Proceedings of the Royal Society B: Biological Sciences, 278, 767-773. DOI: 10.1098/rspb.2010.1669
  62. Guillette, L.M., & Sturdy, C.B. (2011). Individual differences and repeatability in vocal production: Stress-induced calling exposes a songbird’s personality. Naturwissenschaften, 98,977–981. DOI: 10.1007/s00114-011-0842-8 
  63. Hoeschele, M., Cook, R.G., Guillette, L.M., Brooks, D.I., & Sturdy, C.B. (2011). Black-capped chickadee (Poecile atricapillus) and human (Homo sapiens) chord discrimination. Journal of Comparative Psychology. Advance online publication. DOI: 10.1037/a0024627
  64. Moscicki, M.K., Hoeschele, M., Bloomfield, L.L., Modanu, M., Charrier, I., & Sturdy, C.B. (2011). Note types and coding in Parid vocalizations: the chick-a-dee call of the boreal chickadee (Poecile hudsonicus). Journal of the Acoustical Society of America, 129(5), 3327-3340. DOI: http://dx.doi.org/10.1121/1.3560925 
  65. Proppe, D.S., Sturdy, C.B., St. Clair, C.C. (2011). Flexibility in animal signals facilitates adaptation to rapidly changing environments. PLoS ONE 6(9): e25413. DOI:10.1371/journal.pone.0025413
  66. Wisniewski, M.G., Guillette, L.M., Radell, M., Sturdy, C.B., & Mercado, E. (2011). Predicting shifts in generalization gradients with perceptrons. Learning & Behavior, 40(2), 128-144. DOI: 10.3758/s13420-011-0050-6
  67. Guillette, L.M., Bailey, A.A., Reddon, A.R., Hurd, P.L., & Sturdy, C.B. (2010). Capture order is repeatable in chickadees. International Journal of Comparative Psychology, 23, 216-224
  68. Guillette, L.M., Bloomfield, L.L., Batty, E.R., Dawson, M.R.W., & Sturdy, C.B. (2010). Black-capped (Poecile atricapillus) and mountain chickadee (Poecile gambeli) contact call contains species, sex, and individual identity features. Journal of the Acoustical Society of America, 127(2), 1116-1123. DOI: http://dx.doi.org/10.1121/1.3277247
  69. Guillette, L.M., Farrell, T.M., Hoeschele, M., Nickerson, C.M., Dawson, M.R.W., & Sturdy, C.B. (2010). Mechanisms of call note type perception: Peak shift in a note type continuum. Journal of Comparative Psychology, 124(1), 109-115. DOI: 10.1037/a0017741 
  70. Guillette, L.M., Farrell, T.M., Hoeschele, M., & Sturdy, C.B. (2010). Acoustic mechanisms of a species-based discrimination of the chick-a-dee call in sympatric black-capped (Poecile atricapillus) and mountain chickadees (P. gambeli). Frontiers in Comparative Psychology1:229. DOI: 10.3389/fpsyg.2010.00229
  71. Hoeschele, M., Moscicki, M.K., Otter, K.A., van Oort, H., Fort, K., Farrell, T.M., Lee, H., Robson, S.W.J., & Sturdy, C.B. (2010). Dominance signaled in an acoustic ornament. Animal Behaviour, 79, 657–664. DOI: http://dx.doi.org/10.1016/j.anbehav.2009.12.015 
  72. Moscicki, M.K., Hoeschele, M., & Sturdy, C.B. (2010). Note types and coding in Parid vocalizations: The chick-a-dee call of the Mexican chickadee (Poecile sclateri). Acta Ornithologica, 45(2), 147-160. DOI: 10.3161/000164510X551282
  73. Proppe, D.S., Bloomfield, L.L., & Sturdy, C.B. (2010). Acoustic transmission of the chick-a-dee call of the black capped chickadee (Poecile atricapillus): forest structure and note function. Canadian Journal of Zoology, 88, 788-794. DOI: 10.1139/Z10-047 
  74. Weisman, R.G., Balkwill, L.-L., Hoeschele, M., Moscicki, M.K., Bloomfield, L.L., & Sturdy, C.B. (2010). Absolute pitch in boreal chickadees and humans: Exceptions that test a phylogenetic rule. Learning and Motivation, 41, 156–173. Included in a Special Issue to honor Stewart H. Hulse. DOI: http://dx.doi.org/10.1016/j.lmot.2010.04.002
  75. Weisman, R.G., Hoeschele, M., Bloomfield, L.L., Mewhort, D.J.K., Sturdy, C.B. (2010). Using network models of absolute pitch to compare frequency-range discriminations across avian species. Behavioural Processes, 84(1), 421-427. DOI: http://dx.doi.org/10.1016/j.beproc.2010.01.010 
  76. Batty, E.R., Bloomfield, L.L., Spetch, M.L., & Sturdy, C.B. (2009). Black-capped (Poecile atricapillus) and mountain chickadees’ (Poecile gambeli) use of geometric and featural information in a spatial orientation task. Animal Cognition, 12, 633-641. DOI: 10.1007/s10071-009-0222-3 
  77. Guillette, L.M., Reddon, A.R., Hurd, P.L., & Sturdy, C.B. (2009). Exploration of a novel space is associated with individual differences in learning speed in black-capped chickadees, Poecile atricapillus. Behavioural Processes, 82, 265–270. DOI: http://dx.doi.org/10.1016/j.beproc.2009.07.005
  78. Hoeschele, M., Gammon, D.E., Moscicki, M.K., & Sturdy, C.B. (2009). Note types and coding in parid vocalizations: the chick-a-dee call of the chestnut-backed chickadee (Poecile rufuscens). Journal of the Acoustical Society of America, 126(4), 2088-2099. DOI: http://dx.doi.org/10.1121/1.3203736 
  79. Proppe, D.S., & Sturdy, C.B. (2009). The effect of schedules of reinforcement on the composition of spontaneous and evoked black-capped chickadee calls. Journal of Experimental Biology, 212, 3016-3025. DOI: 10.1242/​jeb.031724
  80. Avey, M.T., Quince, A.F., & Sturdy, C.B. (2008). Seasonal and diurnal patterns of black-capped chickadee (Poecile atricapillus) vocal production. Behavioural Processes, 77(2), 149-155.  Included in Special Issue in honour of the contributions of Ronald G. Weisman, Special Issue Edited by C.B. Sturdy; This manuscript edited by J. Crystal. DOI: http://dx.doi.org/10.1016/j.beproc.2007.12.004 
  81. Avey, M.T., Kanyo, R.A., Irwin, E.L., & Sturdy, C.B. (2008). Differential effects of vocalization type, singer and listener on Zenk immediate early gene response in black-capped chickadees (Poecile atricapillus). Behavioral Brain Research, 188(1), 201-208. DOI: http://dx.doi.org/10.1016/j.bbr.2007.10.034
  82. Bloomfield, L.L., Farrell, T.M., & Sturdy, C.B. (2008). Categorization and discrimination of “chick-a-dee” calls by wild-caught and hand-reared chickadees. Behavioural Processes, 77(2), 166-176. Included in Special Issue in honour of the contributions of Ronald G. Weisman, Special Issue Edited by C.B. Sturdy; This manuscript edited by J. Crystal. DOI: http://dx.doi.org/10.1016/j.beproc.2007.08.003 
  83. Bloomfield, L.L., & Sturdy, C.B. (2008). All “chick-a-dee” calls are not created equally. Part I: Open-ended categorization of chick-a-dee calls by sympatric and allopatric chickadees. Behavioural Processes, 77(1), 73-86. DOI: http://dx.doi.org/10.1016/j.beproc.2007.06.011
  84. Bloomfield, L.L., Farrell, T.M., & Sturdy, C.B. (2008). All “chick-a-dee” calls are not created equally. Part II: Mechanisms for discriminations by sympatric and allopatric chickadees. Behavioural Processes, 77(1), 87-99. DOI: http://dx.doi.org/10.1016/j.beproc.2007.06.008 
  85. Nickerson, C.M., Bloomfield, L.L., Dawson, M.R.W., Charrier, I., & Sturdy, C.B. (2007). Feature weighting in ‘chick-a-dee’ call notes of Poecile atricapillus. Journal of the Acoustical Society of America, 122(4), 2451-2458. DOI: http://dx.doi.org/10.1121/1.2770540 
  86. Sturdy, C.B., Bloomfield, L.L., Farrell, T.M., Avey, M.T., & Weisman, R.G. (2007). Auditory category perception as a natural cognitive activity in songbirds. Comparative Cognition & Behavior Reviews, 2, 93-110. Retrieved from http://psyc.queensu.ca/ccbr/index.html DOI:10.3819/ccbr.2008.20006
  87. Dawson, M.R.W., Bloomfield, L.L., Charrier, I., & Sturdy, C.B. (2006). Statistical classification of black-capped (Poecile atricapillus) and mountain chickadee (P. gambeli) call notes. Journal of Comparative Psychology, 120, 147-153. DOI: 10.1037/0735-7036.120.2.147 
  88. Dawson, M.R.W., Charrier, I., & Sturdy, C.B. (2006). Using an artificial neural network to classify the call notes of the black-capped chickadee call (Poecile atricapillus). Journal of the Acoustical Society of America, 119(5), 3161-3172. DOI: http://dx.doi.org/10.1121/1.2189028
  89. Lee, T.T.-Y., Charrier, I., Bloomfield, L.L., Weisman, R.G. & Sturdy, C.B. (2006). Frequency-range discriminations and absolute pitch in black-capped chickadees (Poecile atricapillus), mountain chickadees (P. gambeli), and zebra finches (Taeniopygia guttata). Journal of Comparative Psychology, 120(3), 217-228. DOI: 10.1037/0735-7036.120.3.217 
  90. Nickerson, C.M., Bloomfield, L.L., Dawson, M.R.W., & Sturdy, C.B. (2006). Artificial neural network discrimination of black-capped chickadee (Poecile atricapillus) call notes. Journal of the Acoustical Society of America, 120(2), 1111-1117. DOI: http://dx.doi.org/10.1121/1.2211509
  91. Sturdy, C.B., & Weisman, R.G. (2006). Rationale and methodology for testing auditory cognition in songbirds. Behavioral Processes, 72, 265-272. DOI: http://dx.doi.org/10.1016/j.beproc.2006.03.007 
  92. Bloomfield, L.L., Phillmore, L.S. Weisman, R.G., & Sturdy, C.B. (2005) Note types and coding in Parid vocalizations III: The chick-a-dee call of the Carolina chickadee (Poecile carolinensis). Canadian Journal of Zoology, 83, 820-833. DOI: 10.1139/z05-067 
  93. Charrier, I., Lee, T.T.-Y., Bloomfield, L.L., & Sturdy, C.B. (2005). Acoustic mechanisms of note-type perception in black-capped chickadee calls. Journal of Comparative Psychology, 199(4), 371-380. DOI: 10.1037/0735-7036.119.4.371
  94. Charrier, I., & Sturdy, C.B. (2005). Call-based species recognition in black-capped chickadees. Behavioral Processes, 70, 271-281. DOI: http://dx.doi.org/10.1016/j.beproc.2005.07.007 
  95. Gray, E.R., Bloomfield, L.L., Ferrey, A., Spetch, M.L., & Sturdy, C.B. (2005). Spatial encoding in mountain chickadees: Features overshadow geometry. Biology Letters, 1, 314-317. DOI: 10.1098/rsbl.2005.0347
  96. Bloomfield, L.L., Charrier, I., & Sturdy, C.B. (2004). Note types and coding in Parid vocalizations II: The chick-a-dee call of the mountain chickadee (Poecile gambeli) Canadian Journal of Zoology, 82, 780-793. DOI: 10.1139/z04-046 
  97. Charrier, I., Bloomfield, L.L., & Sturdy, C.B. (2004). Note types and coding in Parid vocalizations I: The chick-a-dee call of the black-capped chickadee (Poecile atricapilla). Canadian Journal of Zoology, 82,769-779. DOI: 10.1139/z04-045
  98. Weisman, R.G., Njegovan, M.G., Williams, M.T., Cohen, J.S., & Sturdy, C.B. (2004). A behavior analysis of absolute pitch: Sex, experience, and species. Behavioral Processes, 66, 289-307. DOI: http://dx.doi.org/10.1016/j.beproc.2004.03.010 
  99. Bloomfield, L.L., Sturdy, C.B., Phillmore, L.S., & Weisman, R.G. (2003). Open-ended categorization of chick-a-dee calls by black-capped chickadees (Poecile atricapilla).  Journal of Comparative Psychology, 117(3), 290-301. DOI: 10.1037/0735-7036.117.3.290 
  100. Phillmore, L.S., Sturdy, C.B., & Weisman, R.G. (2003). Does reduced social contact affect discrimination of distance cues and individual vocalizations? Animal Behaviour, 65, 911-922. DOI: http://dx.doi.org/10.1006/anbe.2003.2153
  101. Sturdy, C.B., Wild, J.M., & Mooney, R. (2003) Respiratory and telencephalic modulation of vocal motor neurons in the zebra finch.  Journal of Neuroscience, 23(3), 1072-1086
  102. Mooney, R., Rosen, M.J., & Sturdy, C.B. (2002).  A bird’s eye view: top down intracellular analyses of auditory selectivity for learned vocalizations. Journal of Comparative Physiology A, 188, 879-895. DOI: 10.1007/s00359-002-0353-3 
  103. Phillmore, L.S., Sturdy, C.B., Turyk, M.R. & Weisman, R.G. (2002). Discrimination of individual vocalizations by black-capped chickadees (Poecile atricapilla). Animal Learning & Behavior, 30(1), 43-52. DOI: 10.3758/BF03192908
  104. Sturdy, C.B., Phillmore, L.S., Sartor, J. J. & Weisman, R.G. (2001). Reduced social contact causes auditory perceptual deficits in zebra finches, Taeniopygia guttata. Animal Behaviour, 62, 1207-1218. DOI: http://dx.doi.org/10.1006/anbe.2001.1864 ​​2000
  105. Sturdy, C.B., Phillmore, L.S., & Weisman, R.G. (2000). Call-note discriminations in black-capped chickadees (Poecile atricapillus). Journal of Comparative Psychology, 114(4), 357-364. DOI: 10.1037/0735-7036.114.4.357 
  106. Sturdy, C.B., Phillmore, L.S., Weisman, R.G. (1999). Note types, harmonic suppression, and note order in the songs of zebra finches (Taeniopygia guttata). Journal of Comparative Psychology, 113(2), 194–203. DOI: 10.1037/0735-7036.113.2.194
  107. Sturdy, C.B., Phillmore, L.S., Price, J. L., & Weisman, R.G. (1999). Song-note discriminations in zebra finches (Taeniopygia guttata): Categories and pseudocategories. Journal of Comparative Psychology, 113(2), 204-212. DOI: 10.1037/0735-7036.113.2.204  
  108. Weisman, R., Brownlie, L., Olthof, A., Sturdy, C., Njegovan, M., & Mewhort, D. (1999). Timing and classifying brief acoustic stimuli by songbirds and humans. Journal of Experimental Psychology: Animal Behavior Processes, 25(2), 139-152. DOI: 10.1037/0097-7403.25.2.139
  109. Phillmore, L.S., Sturdy, C.B., Ramsay, S.M., & Weisman, R.G. (1998). Discrimination of auditory distance cues in black-capped chickadees (Poecile atricapillus) and zebra finches (Taeniopygia guttata). Journal of Comparative Psychology, 112 (3), 282-291. DOI: 10.1037/0735-7036.112.3.282  
  110. Weisman, R., Njegovan, M., Sturdy, C., Phillmore, L., Coyle, J., & Mewhort, D. (1998). Frequency range discriminations: special and general abilities in zebra finches (Taeniopygia guttata) and humans (Homo sapiens). Journal of Comparative Psychology, 112(3), 244 – 258. DOI: 10.1037/0735-7036.112.3.244
  111. Cohen, J.S., Sturdy, C., & Hicks, M. (1996). Intratrial proactive interference in rats’ serial alternation performance in the radial maze. Animal Learning and Behavior, 24(3), 300-309. DOI: 10.3758/BF03198978  

Full Papers in Refereed Conference Proceedings

  1. Wisniewski, M.G., Guillette, L.M., Radell, M.L., Sturdy, C.B., & Mercado, E., III (2011). Simulating the temporal dynamics of learning-related shifts in generalization gradients with connectionist models. In L. Carlson, C. Hölscher, & T. Shipley (Eds.), Proceedings of the 33rd Annual Conference of the Cognitive Science Society. Austin, TX: Cognitive Science Society.  

Refereed Book Chapters

  1. Hahn, A.H., Congdon, J.V., Campbell, K.A., Scully, E.N., McMillan, N., & Sturdy, C.B. (In press 12 December 2016). Mechanisms of communication and cognition in chickadees: Explaining nature in the lab and field. Manuscript to appear in Advances in the Study of Behaviour. DOI: http://dx.doi.org/10.1016/bs.asb.2017.02.003  
  2. McMillan, N., Avey, M.T., Bloomfield, L.L., Guillette, L.M., Hahn, A.H., Hoeschele, M., & Sturdy, C.B. (In press 30 March 2016). Avian Vocal Perception: Bioacoustics and Perceptual Mechanisms. In C. ten Cate & S. D. Healy (Eds) Avian cognition. Cambridge University Press.
  3. Mercado III, E. & Sturdy, C.B. (2016). Classifying animal sounds with neural networks. In C. Brown & T. Riede (Eds), Research Methods in Comparative Bioacoustics. Bentham eBooks, 429-478.  
  4. Weisman, R.G., Mewhort, D.J.K., Hoeschele, M., & Sturdy, C.B. (2012). New perspectives on absolute pitch in birds and mammals. In E.A. Wasserman & T.R. Zentall (Eds), Handbook of Comparative Cognition. Oxford University Press, 67-79.
  5. Freeberg, T.M., Baker, M.C., Bloomfield, L.L., Charrier, I., Gammon, D.E., Hailman, J.P., Lee, T.T-Y, Lucas, J.R., Mennill, D.J., & Sturdy, C.B. (2007). Synopsis: Complexities in vocal communication. In K.A. Otter (Ed), Ecology and Behaviour of Chickadees and Titmice: an integrated approach. Oxford University Press, 235-240.  
  6. Sturdy, C.B., Bloomfield, L.L., Charrier, I., & Lee, T.T.-Y. (2007). Chickadee vocal production and perception: An integrative approach to understanding acoustic communication. In K.A. Otter (Ed), Ecology and Behaviour of Chickadees and Titmice: an integrated approach. Oxford University Press, 153-166.
  7. Weisman, R.G., Williams, M.T., Cohen, J.S., Njegovan, M.J., & Sturdy, C.B. (2006). The comparative psychology of absolute pitch. In E.A. Wasserman & T.R. Zentall (Eds), Comparative Cognition: Experimental Explorations of Animal Intelligence. Oxford University Press, 71-86.  

Non-refereed Publications

  1. Guillette, L.M., and Sturdy, C.B. (2020). Unifying psychological and biological approaches to understanding animal cognition. Canadian Journal of Experimental Psychology. DOI: http://dx.doi.org/10.1037/cep0000233
  2. Mischler, S.K., Congdon, J.V., Scully, E.N., Campbell, K.A., & Sturdy, C.B. (2017). Passerine vocal communication. To appear In J. Vonk & T. Shakelford (Eds), Encyclopedia of Animal Cognition and Behavior. Springer. DOI: 10.1007/978-3-319-47829-6_892-1
  3. Sturdy, C.B., Spetch, M.L., & Ratcliffe, L.M. (2017). Biography: Ronald G. Weisman. In J. Vonk & T. Shakelford (Eds), Encyclopedia of Animal Cognition and Behavior. Springer. DOI: 10.1007/978-3-319-47829-6_1931-1
  4. Sturdy, C.B. & Proppe, D.S. (2015). Hearing is believing: Birds learn fear. Learning & Behavior, 44, 205–206. DOI: 10.3758/s13420-015-0207-9  
  5. Hahn, A.H., & Sturdy, C.B (2015). Seemingly simple songs: Black-capped chickadee song revisited. Journal of the Acoustical Society of America, 138, 1879. DOI: http://dx.doi.org/10.1121/1.4933895
  6. Sturdy, C.B., & Spetch, M.L. (2015, March 24). LIVES LIVED: Intellectually challenging and a force of nature. Queen’s Gazette. Retrieved from http://www.queensu.ca/gazette/  
  7. Sturdy, C.B., & Spetch, M.L. (2015). In Memory of Ronald G. Weisman (September 14 1937-January 27 2015). Comparative Cognition & Behavior Reviews, 10, 107. DOI: 10.3819/ccbr.2015.100005
  8. Hahn, A.H., Guillette, L.M., Hoeschele, M., Cook, R.G., & Sturdy, C.B. (2013). Categories, concepts, and calls: Auditory perceptual mechanisms and cognitive abilities across different types of birds. Proceedings of Meetings on Acoustics, 19. DOI: 10.1121/1.4799329  
  9. Mercado, E. III, Wisniewski, M.G., McIntosh, B., Guillette, L.M., & Sturdy, C.B. (2013). Reverberlocation in chickadees? Proceedings of Meetings on Acoustics, 19. DOI: 10.1121/1.4799208
  10. Sturdy, C.B., & Zentall, T.R. (2011). Welcome Editorial. Comparative Cognition & Behavior Reviews, 6, 4. Retrieved from http://psyc.queensu.ca/ccbr/index.html  
  11. Sturdy, C.B. (2008). Thinking outside the box: A tribute to the contributions of Ronald G. Weisman. Behavioural Processes, 77(2), 139-141. Editorial for Special Issue in honour of the contributions of Ronald G. Weisman, Special Issue Edited by C.B. Sturdy. DOI: http://dx.doi.org/10.1016/j.beproc.2007.11.010
  12. Sturdy, C.B. (2004). Animal behaviour: A social call. Nature, 430, 414. DOI: 10.1038/430414a  
  13. Sturdy, C.B., & Mooney, R. (2000). Bird Communication: Two voices are better than one. Current Biology, 10:17:R634-R636. DOI: http://dx.doi.org/10.1016/S0960-9822(00)00661-8