Publications

2017


 

Hornsby, M.A.W., Healy, S.D. & Hurly, T.A. 2017. Wild hummingbirds can use the geometry of a flower array. Behavioural Processes, 139, 33-37.

Federspiel, I.G., Garland, A., Guez, D., Bugnyar, T., Healy, S.D., Gunturkun, O. & Griffin, A.S. 2017. Adjusting foraging strategies: a comparison of rural and urban common mynas (Acridotheres tristis). Animal Cognition, 20, 65-74.

Carlson N.V., Pargeter H.M., Templeton C.N. Sparrowhawk movement, calling, and presence of dead conspecifics differentially impact blue tit (Cyanistes caeruleus) vocal and behavioral mobbing responses. Behavioral Ecology and Sociobiology, 71: 133.

Carlson N.V., Healy S.D., Templeton C.N. A comparative study of how British tits encode predator threat in their mobbing calls. Animal Behaviour, 125: 77-92

Guillette L.M., Healy S.D. The roles of vocal and visual interactions in social learning zebra finches: A video playback experiment. Behavioural Processes.

2016


Brown G.R., Cullum P., Martin S., Healy S.D. Sex differences in performance on a cognitive bias task in Norway rats. Behavioural Processes, 133: 52-55

Pritchard D.J., Hurly T.A., Tello-Ramos M.C. & Healy S.D. Why study cognition in the wild (and how to test it)? Journal of the Experimental Analysis of Behavior, 105: 41-55

Breen A.J., Guillette L.M. & Healy S.D. 2016. What can nest-building birds teach us? Comparative Cognition and Behavior Reviews 11: 83-102

Guillette L.M., Scott A.C.Y. & Healy S.D. 2016. Social learning in nest-building birds: a role for familiarity. Proceedings of the Royal Society B, 283: 20152685

Morgan K.V., Morton A., Whitehead R., Perrett, D.I., Hurly, T.A. & Healy S.D. 2016. Assessment of health in human faces is context-dependent. Behavioural Processes 125: 89-95

Bailey I.E., Morgan K.V., Oschadleus H.D., DeRuiter S.L., Meddle S.L. & Healy S.D. 2016. Nest-building males trade off material collection costs with territory value. Emu 116 (1): 1-8

Bailey I.E. & Nicolson S.W. 2016. Do sunbirds use taste to decide how much to drink? Journal of Animal Ecology 85 (2): 497-506

Pritchard D.J., Scott R.D., Healy S.D. & Hurly T.A. 2016. Wild rufous hummingbirds use local landmarks to return to reward locations. Behavioural Processes 122: 59-66

 

2015


Guillette L.M. & Healy S.D. 2015. Nest building, the forgotten behaviour. Current Opinion in Behavioural Sciences 6: 90-96

Pritchard, D.J., Hurly, T.A., & Healy, S.D. 2015. Effects of landmark distance and stability on accuracy of reward relocation. Animal Cognition: 1-13

Bailey, I. E., Backes, A., Walsh, P.T., Morgan, K.V., Meddle, S.L., & Healy, S.D. 2015. Image analysis of weaverbird nests reveals signature weave patterns. The Royal Society Open Science, DOI: 10.1098/rsos.150074

Hall, Z.J., Street, S.E., Auty, S., & Healy, S.D. 2015. The coevolution of building nests on the ground and domed nests in Timaliidae. The Auk: July 2015, Vol. 132, No. 3, pp. 584-593.

Tello-Ramos, Maria C., Hurly, T Andrew & Healy, Susan D. 2015. Traplining in hummingbirds: flying short-distance sequences among several locations. Behavioral Ecology 26: 812-819

Tello-Ramos M.C., Hurly T.A., Higgott C., Healy S.D. 2015. Time-place learning in wild , free-living hummingbirds. Animal Behaviour 104:123–129.

Griffin, A.S., Guillette, L.M. & Healy, S.D. 2015. Cognition and personality: an analysis of an emerging field. Trends in Ecology and Evolution 1907: 1-8

Hall, Z.J., Healy, S.D. &. Meddle, S.L. 2015. A role for nonapeptides and dopamine in nest-building behaviour. Journal of Neuroendocrinology 27: 158-165.

Bailey, I. E., Muth, F., Morgan, K., Healy, S. D. 2015. Birds build camouflaged nests. AUK 132 (1): 11-15   

 

2014


Rowe, C. & Healy, S.D. 2014.  Measuring cognition will be difficult but worth it: a response to comments on Rowe and Healy. Behavioral Ecology 25(6): 1298

Samuels, M., Hurly, T.A. & Healy, S.D. 2014. Colour cues facilitate learning flower refill schedules in wild hummingbirds. Behavioral Processes. 109 (B): 157-163

Guillette, L.M., Morgan, K.V., Hall, Z.J, Bailey, I.E. & Healy, S.D. 2014. Food preference and copying behaviour in zebra finches, Taeniopygia guttata. Behavioral Processes 109 (B): 145-150

Morgan, K. V., Hurly, T. A. & Healy, S.D. 2014. Individual differences in decision making by foraging hummingbirds. Behavioral Processes 109(B): 195-200

Rowe, C. & Healy, S.D. 2014.Measuring variation in cognition. Behavioral Ecology 25(6): 1287-1292 

Tello-Ramos, M.C., Hurly, A.T., Healy S.D. 2014. Females hummingbirds do not relocated rewards using colour cues. Animal Behaviour 93: 129-133

Flores-Abreu, I. N., Hurly, T.A., Ainge, J.A. & Healy, S.D.  2014.  3-D space: locomotory style explains memory differences in rats and hummingbirds. Proceedings of the Royal Society B, 281: 1784

Bailey, I.E., Morgan, K.V., Bertin, M., Meddle, S.L. & Healy, S.D.  2014. Physical cognition: birds learn the structural efficacy of nest material. Proceedings of the Royal Society B, 281: 1784

Guillette, L.M. & Healy, S.D. 2014. Mechanisms of copying behvaiour in zebra finches. Behavioural Processes 108: 177-182

Hurly, T.A., Fox, T.A., Zwueste, D. M. & Healy, S.D.  2014. Wild hummingbirds rely on landmarks not geometry when learning an array of flowers. Animal Cognition 17 (5): 1157-1165

Muth, F. & Healy, S.D.  2014.  Zebra finches select nest material appropriate for a building task. Animal Behaviour 90:  237-244

Hall, Z.J., Bertin, M., Bailey, I.E., Meddle, S.L. & Healy, S.D.  2014.  Neural correlates of nesting behavior in zebra finches (Taeniopygia guttata). Behavioural Brain Research 264:  26-33.

Jelbert, S.J., Hurly, T.A., Marshall, R.E.S. & Healy, S.D. 2014. Wild, free-living hummingbirds can learn what happened, where and in which context. Animal Behaviour 89: 185-189

 

2013


Muth, F., Steele, M., Healy, S.D. 2013. Colour preferences in nest-building zebra finches. Behavioural processes 99: 1-6-111 

Bailey, I.E., Segelbacher, G., Healy, S.D., Hurly, A.T., and Pemberton, J.M. May 2013. Microsatellite variation in Rufous Hummingbirds (Selasphorous rufus) and evidence for a weakly structured population. Journal of Ornithology 154: 1029- 1037

Walsh, P.T., Hansell, M., Borello, W.D. & Healy, S.D. 2013. Are elaborate bird nests built using simple rules? Avian Biology Research 6 (2): 1-6 

Healy, S.D., Hurly, T.A. 2013. What hummingbirds can tell us about cognition in the wild. Comparative Cognition & Behavior Review 8: 13-28.

Hall, Z. J., Street, S. & Healy, S.D. 2013. The evolution of cerebellum structure correlates with nest complexity. Biology Letters 9: 20130687

Marshall, R.E.S., Hurly, T.A., Sturgeon, J., Shuker, D.M. & Healy, S.D. 2013. What, where and when: deconstructing memory. Proceedings of the Royal Society B 280: 20132184

Healy, S.D. & Rowe, C. 2013. Costs and benefits of evolving a larger brain: Doubts over the evidence that large brains lead to better cognition. Animal Behaviour 86: E1-E3.

Flores-Abreu, I. N., Hurly, T.A. & Healy, S.D. 2013. Three-dimensional spatial learning in hummingbirds. Animal Behaviour 85: 579-584.

 

2012


McIvor, G.E., Rowe, C. & Healy, S.D. 2012. Deterring Hooded crows from re-nesting on power-poles. Wildlife Society Bulletin 36: 729-734.

Rioja-Lang, F.C., Roberts, D.J. , Healy, S.D., Lawrence, A.B. & Haskell, M.J. 2012. Dairy cow feeding space requirements assessed in a Y-maze choice test. Journal of Dairy Science 95 (7): 3954-3960.

Kelley, L.A., Healy, S.D. 2012. Vocal mimicry in spotted bowerbirds is associated with an alarming context. Journal of Avian Biology 43 (6): 525-530.

Marshall, R. E. S., T. A. Hurly, and S. D. Healy. 2012. Do a flowers features help hummingbirds to learn its contents and refill rate. Animal Behaviour 83:1163-1169.

Healy, S.D. 2012. Animal cognition: The trade off to being smart. Current Biology 22: R840-R841

Jozet-Alves, C., Viblanc, V.A., Romagny, S., Dacher, M ., Healy, S.D. & Dickel, L. 2012. Visual lateralization is task and age dependent in cuttlefish, Sepia officinalis. Animal Behaviour 83 (6): 1313-1318.

Mishra, C. E. B., I. E. Bailey, S. Healy, and T. A. Hurly. 2012. Systematic Spatial Foraging Patterns in Hummingbird Rufous Hummingbirds (Selasphorus rufus). Canadian Journal of Experimental Psychology-Revue Canadienne De Psychologie Experimentale 66:300-300.

Flores-Abreu, I. N., T. A. Hurly, and S. D. Healy. One-trial spatial learning- wild hummingbirds relocate a reward after a single visit. Animal Cognition 15:631-637.

Muth, F. Healy, S.D. 2012. Zebra Finches build nests that do not resemble their natal nest. Avian Biology Research 5 (4): 218-226

Morgan, K. V., T. A. Hurly, M. Bateson, L. Asher, and S. D. Healy. 2012. Context-dependent decisions among options varying in a single dimension. Behavioural Processes 89:115-120.

 

2011


Healy, S. 2011. My life in science. Current Biology 21 (22): R907-R908.

Muth, F., Healy, S.D. 2011. The role of adult experience in the nest building zebra finch. Animal Behaviour 82 (2): 185-189

Kelley, L.A., & Healy, S.D. 2011. Vocal Mimicry. Current Biology 21: R9-R10.

Donald, R.D., Healy, S.D., Lawrence, A.B. & Rutherford, K.M.D. 2011. Emotionality in growing pigs: Is the open field a valid test? Physiology & Behavior 104 (5): 906-913.

Walsh, P.T., Hansell, M., Borello, W.D., Healy, S.D. 2011. Individuality in nest building: Do Southern Masked weaver (Ploceus velatus) males vary in their nest-building behaviour? Behavioural Processes 88 (1): 1-6

Bacon, I. E., Hurly, T. A. & Healy, S. 2011. Hummingbirds choose not to rely on good taste. Behavioral Ecology 22 (3): 471-477

Kelley, L., & Healy, S,D, 2011. The mimetic repertoire of the spotted bowerbird Ptilonorhynchus maculatus. Naturwissenschaften 98: 501-507.

 

2010


Rowe, C., & Healy, S.D. 2010. Is Bigger Always Better? Science 333: 708-709. 

Bacon, I. E., Hurly, T. A. & Healy, S. 2010. Both the past and the present affect risk-sensitive decisions of foraging rufous hummingbirds. Behavioral Ecology 21: 626-632.

Hurly, T. A., S. Franz, and S. D. Healy. 2010. Do rufous hummingbirds (Selasphorus rufus) use visual beacons? Animal Cognition 13: 377-383.

Walsh, P.T., Hansell, M., Borello, W.D., Healy, S.D. 2010. Repeatability of nest morphology in African weaver birds. Biology Letters 6(2): 149-151

Healy, S. D., O. Haggis, and N. S. Clayton. 2010. Zebra Finches and cognition. Emu 110: 242-250.

Kelley, L.A., & Healy, S.D, 2010. Vocal mimicry in male bowerbirds- who learns from whom?  Biology Letters  6 (5): 626-629.

Harris, A.P., D’Eath, R.B. & Healy, S.D. 2010. A cage without a view increases stress and impairs cognitive performance in rats. Animal Welfare 19 (3): 235-241.

 

2009


Healy, S. D., I. E. Bacon, O. Haggis, A. P. Harris, and L. A. Kelley. 2009. Explanations for variation in cognitive ability: Behavioural ecology meets
comparative cognition. Behavioural Processes 80: 288-294.

Heenan, A., Simpson, S.D., Meekan, M.G., Healy, S.D. & Braithwaite, V.A. 2009. Restoring depleted coral-reef fish populations through recruitment enhancement: a proof of concept. Journal of Fish Biology 75 (7): 1857-1867.

Harris, A.P., D’Eath, R.B. & Healy, S.D. 2009. Environmental enrichment enhances spatial cognition in rats by reducing thigmotaxis (wall hugging) during testing. Animal Behaviour 77 (6): 1459-1464.

Rioja-Lang, F.C., Roberts, D.J., Healy, S.D., Lawrence, A.B. & Haskell, M.J. 2009. Dairy cows trade-off feed quality with proximity to a dominant individual in Y-maze choice tests. Applied Animal Behaviour Science 117 (3-4): 159-164.

 

2008


Harris, A.P., D’Eath, R.B. & Healy, .SD. 2008. Sex differences, or not, in spatial cognition in albino rats- acute stress is the key. Animal Behaviour 76 (5): 1579-1589.

Hodgson, Z.G., Meddle, S.L., Christians, J.K., Sperry, T.S. & Healy, S.D. 2008. Influence of sex steroid hormones on spatial memory in a songbird. Journal of Comparative Physiology A 194 (11): 963-969.


Kelley, L.A., Coe, R.L., Madden, J.R. & Healy, S.D. 2008. Vocal mimicry in songbirds. Animal Behaviour 76 (3): 521-528.

Harris, A.P., D’Eath, R.B. & Healy, S.D. 2008. Sex differences in spatial cognition are not caused by isolation housing. Behaviour 145 (6): 757-778.

Healy, S.D., Walsh, P., Hansell, M., 2008. Nest buidling by birds. Current Biology 18 (7): 27-273

 

2007


Healy, S.D. & Rowe, C. 2007. A critique of comparative studies of brain size. Proceedings of the Royal Society B: Biological Sciences 274 (609): 453-464.

Hodgson, Z.G., Meddle, S.L., Roberts, M.L., Buchanan, K.L., Evans, M.R., Metzdorf, R., Gahr, M & Healy, S.D. 2007. Spatial ability is impaired and hippocampal mineralocorticoid receptor mRNA expression reduced in zebra finches (Taeniopygia guttata) selected for acute high corticosterone response to stress. Proceedings of the Royal Society B: Biological Sciences 274 (1607): 239-245.

 

2006


Jones, C.M. & Healy, S.D. 2006. Differences in cue use and spatial memory in men and women. Proceedings of the Royal Society B: Biological Sciences 273 (1598): 2241-2247.

Henderson, J., T. A. Hurly, M. Bateson, and S. D. Healy. 2006. Timing in free-living rufous hummingbirds, Selasphorus rufus. Current Biology 16: 512-515.

Henderson, J., T. A. Hurly, and S. D. Healy. 2006. Spatial relational learning in rufous hummingbirds (Selasphorus rufus). Animal Cognition 9 (3): 201-205.

Healy, S. and T. A. Hurly. 2006. Hummingbirds. Current Biology 16: R392-R393.

 

2005


Healy, S.D., de Kort, S.R. & Clayton, N.S. 2005. The hippocampus, spatial memory and food hoarding- a puzzle revisited. Trends in Ecology and Evolution 20 (1): 17-22

Bateson, M. & Healy, S.D.2005. Comparative evaluation and its implications for mate choice. Trends in Ecology and Evolution 20 (12): 659-664

Hodgson, Z.G. & Healy, S.D. 2005. Preference for spatial cues in a non-storing songbird species. Animal Cognition 8 (3): 211-214.

 

2004


Healy, S. D. and T. A. Hurly. 2004. Spatial learning and memory in birds. Brain Behavior and Evolution 63: 211-220.

 

2003


Jones, C.M., Braithwaite, V.A. & Healy, S.D. 2003. The evolution of sex differences in spatial ability. Behavioural Neuroscience 117 (3): 403-411.

Healy, S.D. & Hurly, T.A. 2003. Cognitive ecology: Foraging in hummingbirds as a model system. Advances in the Study of Behavior 23: 325-359.

Bateson, M., S. D. Healy, and T. A. Hurly. 2003. Context-dependent foraging decisions in rufous hummingbirds. Proceedings of the Royal Society B-Biological Sciences 270:1271-1276.

 

 

2002


 S. D. Healy, and T. A. Hurly. 2002. Irrational choices in hummingbird foraging behaviour. Animal Behaviour 63: 587-596.

Hurly, T. A. and S. D. Healy. 2002. Cue learning by rufous hummingbirds (Selasphorus rufus). Journal of Experimental Psychology-Animal Behavior Processes 28: 209-223.

Hampton, R.R., Healy, S.D., Shettleworth, S.J. & Kamil, A.C. 2002. `Neuroecologists’ are not made of straw. Trends in Cognitive Sciences 6 (1): 6-7.

Healy, S.D. & Jones, C.M. 2002. Animal learning and memory: an integration of cognition and ecology. Zoology 105 (4): 321-327.

 

2001


Hurly, T. A., R. D. Scott, and S. D. Healy. 2001. The function of displays of male Rufous Hummingbirds. Condor 103: 647-651.

Healy, S. D. and T. A. Hurly. 2001. Foraging and spatial learning in hummingbirds. Animal behaviour and floral evolution. Editors: Chittka, Lars; Thomson, James D: 127-147

Henderson, J., T. A. Hurly, and S. D. Healy. 2001. Rufous hummingbirds’ memory for flower location. Animal Behaviour 61: 981-986.

Biegler, R., McGregor, A., Krebs, J.R. & Healy, S.D. 2001. A larger hippocampus is associated with longer-lasting spatial memory. Proceedings of the National Academy of Sciences of the United States of America  98 (12): 6941-6944.

 

1996-2000


Healy, S. & Braithwaite, V. 2000. Cognitive ecology: a field of substance? Trends in Ecology and Evolution 15 (1): 22-26.

Healy, S.D., Braham, S.R. & Braithwaite, V.A. 1999. Spatial working memory in rats: no differences between the sexes. Proceedings of the Royal Society of London Series B: Biological Sciences 266 (1435): 2303-2308.

McGregor, A. & Healy, S.D. 1999. Spatial accuracy in food-storing and nonstoring birds. Animal Behaviour 58 (4): 727-734.

Healy, S. 1999. Cognitive ecology: The evolutionary ecology of information processing and decision making. Quarterly Journal of Experimental Psychology: Section B Comparative and Physiological Psychology 52 (2): 187-189.

Healy, S. D. and T. A. Hurly. 1998. Rufous Hummingbirds’ (Selasphorus rufus) Memory for Flowers- Patterns or Actual Spatial Locations? Journal of Experimental Psychology-Animal Behavior Processes 24: 396-404.

Healy, S.D., Gwinner, E. & Krebs, J.R. 1996. Hippocampal volume in migratory and non-migratory warblers. Behavioural Brain Research  81 (1-2): 61-68.

Tille, Y., Newman, J.A. & Healy, S.D. 1996. New tests for departures from random behavior in spatial memory experiments. Animal Learning & Behavior 24: (3) 327-340.

Hurly, T. A. and S. D. Healy. 1996. Memory for flowers in rufous hummingbirds-location or local visual cues? Animal Behaviour: 1149-1157.

Healy, S.D. & Krebs, J.R. 1996. Food storing and the hippocampus in Paridae. Brain Behavior and Evolution 47 (4): 195-199.

Healy, S.D. & Suhonen, J. 1996. Memory for locations of stored food in willow tits and marsh tits. Behaviour 133 (1-2): 71-80.

Krebs, J.R., Clayton, .N.S., Healy, S.D., Cristol, D.A., Patel, S.N. & Jolliffe, A.R. 1996. The ecology of the avian brain: Food-storing memory and the hippocampus. IBIS 138: 34-46.

 

1991-1995


Healy, S.D. 1995. Memory for objects and positions: Delayed non-matching to sample in storing and nonstoring tits. Quarterly Journal of Experimental Psychology: Section B Comparative and Physiological Psychology 48 (2): 179-191.

Healy, S. D. and T. A. Hurly. 1995. Spatial memory in rufous hummingbirds: A field test. Animal Learning & Behavior: 63-68.

Healy, S.D. 1994. Animal memory and adaptation. Recherche 25 (267): 768-773.

Healy, S.D., Clayton, N.S. & Krebs, J.R. 1994. Development of hippocampal specialization in two species of tit (Parus spp). Behavioural Brain Research 61 (1): 23-28.

Devoogd, T.J., Krebs, J.R., Healy, S.D., Purvis, A. 1993. Relations between song repertoire size and the volume of brain nuclei related to song: Comparative evolutionary analyses amongst Oscine birds. Proceedings of the Royal Society of London Series B: Biological Sciences 254 (1340): 75-82.

Healy, S.D. & Krebs, K.R. 1993. Development of hippocampal specialisation in a food-storing bird. Behavioural Brain Research 53 (1-2): 127-131.

Healy, S.D. & Krebs, J.R. 1992. Delayed matching to sample by Marsh tits and Great tits. Quarterly Journal of Experimental Psychology: Section B Comparative and Physiological Psychology 45B (1): 33-47.

Healy, S.D. & Krebs, J.R. 1992. Food storing and the hippocampus in corvids: Amount and volume are correlated. Proceedings of the Royal Society of London Series B: Biological Sciences 248 (1323): 241-245.

Healy, S.D. & Krebs, J.R. 1992. Comparing spatial memory in two species of tit- Recalling a single positive location. Animal Learning & Behavior 20 (2): 121-126.

Healy, S.D., Krebs, J.R. & Gwinner, E. 1991. Hippocampal volume and migration in passerine birds. Naturwissenschaften 78 (78): 424-426

 

1986-1990


Krebs, J.R., Healy, S.D. & Shettleworth S.J. 1990. Spatial memory of Paridae: Comparison of a storing and a non storing species, the Coal tit, Parus ater, and the Great tit, P major. Animal Behaviour 39 (6): 1127-1137.

Healy, S. & Guilford, T. 1990. Olfactory-bulb size and nocturnality in birds. Evolution 44 (2): 339-346.

Shettleworth, S.J., Krebs, J.R., Healy, S.D., Thomas, C.M. 1990. Spatial memory of food-storing tits (Parus ater and Parus atricapillus): Comparison of storing and nonstoring tasks. Journal of Comparative Psychology 104 (1): 71-81.

Healy, S.D. & Harvey, P.H. 1990. Comparative studies of the brain and its components. Netherlands Journal of Zoology 40 (1-2): 203-214.

Krebs, J.R., Hilton, S.C., Healy, S.D., Edelman, G.M., Gall, W.E. & Cowan, W.M. 1990. Memory in food-storing birds: Adaptive specialization in brain and behavior. In G. M. Edelman, W. E. Gall, & W. M. Cowan (Eds.), Signal and sense: Local and global order in perceptual maps. New York. Springer:  475-498.

Krebs, J.R., Sherry, D.F., Healy, S.D., Perry, V.H. & Vaccarino, A.L. 1989. Hippocampal specialization of food-storing birds. Proceedings of the National Academy of Sciences of the United States of America 86 (4): 1388-1392.