Search Results - "Healy, S. D."

Context–dependent foraging decisions in rufous hummingbirds by Bateson, M., Healy, S. D., Hurly, T. A.

“…Selasphorus rufus…”
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Dairy cow feeding space requirements assessed in a Y-maze choice test by Rioja-Lang, F C, Roberts, D J, Healy, S D, Lawrence, A B, Haskell, M J

“…The effect of proximity to a dominant cow on a low-ranking cow's willingness to feed was assessed using choice tests. The main aim of the experiment was to…”
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Relations between Song Repertoire Size and the Volume of Brain Nuclei Related to Song: Comparative Evolutionary Analyses amongst Oscine Birds by Devoogd, Timothy J., Krebs, John Richard, Healy, Susan D., Purvis, Andy

“…Song and brain structure are compared amongst 41 species of oscine birds by using the method of independent evolutionary contrasts. We find a significant…”
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A Role for Nonapeptides and Dopamine in Nest-Building Behaviour by Hall, Z. J., Healy, S. D., Meddle, S. L.

“…During nest building in zebra finches (Taeniopygia guttata), several regions in the social behaviour network and the dopaminergic reward system, which are two…”
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Spatial accuracy in food-storing and nonstoring birds by McGREGOR, A., HEALY, S.D.

“…We compared the ability of coal tits, Parus ater (a food-storing species), great tits, P. major, and blue tits, P. caeruleus (two nonstoring species) to…”
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Hippocampal volume in migratory and non-migratory warblers: effects of age and experience by Healy, S.D., Gwinner, E., Krebs, J.R.

“…We tested the hypothesis that experience of migration from Europe to tropical Africa by Garden Warblers is associated with changes in the relative volume of…”
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Hippocampal Specialization of Food-Storing Birds by Krebs, John R., Sherry, David F., Healy, Susan D., Perry, V. Hugh, Vaccarino, Anthony L.

“…In a study of 52 individuals belonging to 35 species or subspecies of passerine birds it was shown that the volume of the hippocampal complex relative to brain…”
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Treating hummingbirds as feathered bees: a case of ethological cross-pollination by Pritchard, D. J., Tello Ramos, M. C., Muth, F., Healy, S. D.

“…Hummingbirds feed from hundreds of flowers every day. The properties of these flowers provide these birds with a wealth of information about colour, space and…”
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Comparative evaluation and its implications for mate choice by Bateson, Melissa, Healy, Susan D.

“…Experiments on decision making by humans show that the choices that we make can be very labile. The magnitude of our preferences, and even our rank ordering of…”
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Explanations for variation in cognitive ability: Behavioural ecology meets comparative cognition by Healy, S.D., Bacon, I.E., Haggis, O., Harris, A.P., Kelley, L.A.

“…Sara Shettleworth has played a defining role in the development of animal cognition and its integration into other parts of biology, especially behavioural…”
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Development of hippocampal specialisation in a food-storing bird by Healy, S D, Krebs, J R

“…Previous studies demonstrated that amongst food-storing passerine birds the hippocampal region (dorso-medial cortex) is enlarged relative to the rest of the…”
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Development of hippocampal specialisation in two species of tit (Parus spp.) by Healy, S D, Clayton, N S, Krebs, J R

“…Food storing birds have been shown to have a larger hippocampus, relative to the rest of the telencephalon, than do non-storers. A previous study reported that…”
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Memory for flowers in rufous hummingbirds: location or local visual cues? by HURLY, ANDREW T., HEALY, SUSAN D.

“…Rufous hummingbirds, Selasphorus rufus, remember locations of flowers. They avoid flowers they have emptied recently and those they have found to be empty. In…”
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The Evolution of Sex Differences in Spatial Ability by Jones, Catherine M, Braithwaite, Victoria A, Healy, Susan D

“…It is widely believed that male mammals have better spatial ability than females. A large number of evolutionary hypotheses have been proposed to explain these…”
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Restoring depleted coral-reef fish populations through recruitment enhancement: a proof of concept by Heenan, A., Simpson, S. D., Meekan, M. G., Healy, S. D., Braithwaite, V. A.

“…To determine whether enhancing the survival of new recruits is a sensible target for the restorative management of depleted coral‐reef fish populations,…”
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The hippocampus, spatial memory and food hoarding: a puzzle revisited by Healy, Susan D., de Kort, Selvino R., Clayton, Nicola S.

“…Behavioural ecology assumes that cognitive traits and their underlying neural substrates are shaped by natural selection in much the same way as morphological…”
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Measuring variation in cognition by Rowe, C., Healy, S. D.

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THE FUNCTION OF DISPLAYS OF MALE RUFOUS HUMMINGBIRDS by Hurly, T. Andrew, Scott, Renée D, Healy, Susan D

“…We observed 26 male Rufous Hummingbirds (Selasphorus rufus) on their breeding territories to quantify display behaviors and to interpret their functions…”
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Memory for Locations of Stored Food in Willow Tits and Marsh Tits by Healy, Susan D., Suhonen, Jukka

“…AbstractSome food-storing animals use spatial memory in food retrieval. There is variation amongst food-storing species in the duration over which food is…”
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Irrational choices in hummingbird foraging behaviour by Bateson, Melissa, Healy, Susan D., Hurly, T.Andrew

“…It is conventionally assumed that, when animals evaluate alternative options, the value assigned to an option is absolute and independent of the other options…”
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