Now showing items 1-16 of 16

    • Birds build camouflaged nests 

      Bailey, Ida Elizabeth; Muth, Felicity; Morgan, Kate; Meddle, Simone L.; Healy, Susan Denise (2015-01) - Journal article
      It is assumed that many birds attempt to conceal their nests by using camouflage. To our knowledge, however, no previous experimental studies have explicitly tested this assumption. To explore whether birds choose materials ...
    • Effects of landmark distance and stability on accuracy of reward relocation 

      Pritchard, David James; Hurly, T. Andrew; Healy, Susan Denise (2015-07) - Journal article
      Although small-scale navigation is well studied in a wide range of species, much of what is known about landmark use by vertebrates is based on laboratory experiments. To investigate how vertebrates in the wild use landmarks, ...
    • The evolution of cerebellum structure correlates with nest complexity 

      Hall, Zachary Jonas; Street, Sally; Healy, Susan Denise (2013-12-04) - Journal article
      Across the brains of different bird species, the cerebellum varies greatly in the amount of surface folding (foliation). The degree of cerebellar foliation is thought to correlate positively with the processing capacity ...
    • Food preference and copying behaviour in zebra finches, Taeniopygia guttata 

      Guillette, Lauren; Morgan, Kate; Hall, Zachary Jonas; Bailey, Ida Elizabeth; Healy, Susan Denise (2014-11) - Journal article
      As a social species zebra finches might be expected to copy the food choices of more experienced conspecifics. This prediction has been tested previously by presenting observers with two demonstrator birds that differ in ...
    • From neurons to nests : nest-building behaviour as a model in behavioural and comparative neuroscience 

      Hall, Zachary Jonas; Meddle, Simone L; Healy, Susan Denise (2015-04) - Journal article
      Despite centuries of observing the nest building of most extant bird species, we know surprisingly little about how birds build nests and, specifically, how the avian brain controls nest building. Here, we argue that nest ...
    • Image analysis of weaverbird nests reveals signature weave textures 

      Bailey, Ida Elizabeth; Backes, André; Walsh, Patrick Thomas; Morgan, Kate; Meddle, Simone L; Healy, Susan Denise (2015-06-17) - Journal article
      In nature, many animals build structures that can be readily measured at the scale of their gross morphology (e.g. length, volume and weight). Capturing individuality as can be done with the structures designed and built ...
    • Nest building, the forgotten behaviour 

      Guillette, Lauren Mary; Healy, Susan Denise (2015-12) - Journal article
      In the last decade tool manufacture in birds has transformed the landscape of animal cognition. As tool manufacture, however, is rare and practised by species that are not commonplace it is not a particularly useful model ...
    • Physical cognition : birds learn the structural efficacy of nest material 

      Bailey, Ida Elizabeth; Morgan, Kate; Bertin, Marion; Meddle, Simone L.; Healy, Susan Denise (2014-06) - Journal article
      It is generally assumed that birds’ choice of structurally suitable materials for nest building is genetically predetermined. Here, we tested that assumption by investigating whether experience affected male zebra finches’ ...
    • A role for nonapeptides and dopamine in nest-building behaviour 

      Hall, Zachary Jonas; Healy, Susan Denise; Meddle, Simone (2015-02) - Journal article
      During nest building in zebra finches (Taeniopygia guttata), several regions in the social behaviour network and the dopaminergic reward system, which are two neural circuits involved in social behaviour, appear to be ...
    • Sex differences in performance on a cognitive bias task in Norway rats 

      Brown, Gillian Ruth; Cullum, Philippa; Martin, Stacey; Healy, Susan Denise (2016-12) - Journal article
      Cognitive biases, which are defined as distortions in cognitive processes that are influenced by a background emotional state, can provide information about an individual’s affective state. For instance, negative cognitive ...
    • Social learning in nest-building birds : a role for familiarity 

      Guillette, Lauren Mary; Scott, Alice C Y; Healy, Susan Denise (2016-03) - Journal article
      It is becoming apparent that birds learn from their own experiences of nest building. What is not clear is whether birds can learn from watching conspecifics build. As social learning allows an animal to gain information ...
    • What can nest-building birds teach us? 

      Breen, Alexis; Guillette, Lauren Mary; Healy, Susan Denise (2016) - Journal article
      For many years nest building in birds has been considered a remarkable behaviour. Perhaps just as remarkable is the public and scholarly consensus that bird nests are achieved by instinct alone. Here we take the opportunity ...
    • What hummingbirds can tell us about cognition in the wild. 

      Healy, Susan Denise; Hurly, T. Andrew (2013) - Journal article
      Here we review around 20 years of experimental data that we have collected during tests of cognitive abilities of free-living, wild rufous hummingbirds Selasphorus rufus at their breeding grounds in southwestern Alberta. ...
    • What, where and when : deconstructing memory 

      Marshall, Rachael; Hurly, T.Andrew; Sturgeon, Jenny; Shuker, David Michael; Healy, Susan Denise (2013-12-07) - Journal article
      The ability of animals to remember the what, where and when of a unique past event is used as an animal equivalent to human episodic memory. We currently view episodic memory as reconstructive, with an event being remembered ...
    • Why study cognition in the wild (and how to test it)? 

      Pritchard, David James; Hurly, T. Andrew; Tello-Ramos, Maria Cristina; Healy, Susan Denise (2016-01-18) - Journal article
      An animal's behavior is affected by its cognitive abilities, which are, in turn, a consequence of the environment in which an animal has evolved and developed. Although behavioral ecologists have been studying animals in ...
    • Wild rufous hummingbirds use local landmarks to return to rewarded locations 

      Pritchard, David James; Scott, Renee D.; Healy, Susan Denise; Hurly, Andrew T. (2016-01) - Journal article
      Animals may remember an important location with reference to one or more visual landmarks. In the laboratory, birds and mammals often preferentially use landmarks near a goal (“local landmarks”) to return to that location ...