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| Titel: |
Behavioural lateralisation in the Australian magpie (Gymnorhina tibicen) |
| Auteur: |
Hoffman, A. M. Robakiewicz, P. E. Tuttle, E. M. Rogers, L. J. |
| Verschenen in: |
Laterality |
| Paginering: | Jaargang 11 (2006) nr. 2 pagina's 110-121 |
| Jaar: |
2006-03 |
| Inhoud: |
In many vertebrates, the brain is lateralised such that each hemisphere is specialised to serve specific functions. This may translate into lateralisation in behaviour through preferential use of receptors or appendages associated with a particular hemisphere (e.g., handedness) or in differential responses to stimuli perceived on the animal's left or right side. In this study, we investigated behavioural laterality in the Australian magpie, Gymnorhina tibicen . We found that, while the birds did not have a population bias for one antipredator behaviour (visual inspection of an approaching human), there were biases for another (alarm calling); those birds that used their left eye more relative to their right eye gave alarm calls more frequently. We also observed that juvenile birds begged for food on the right side of parents significantly more frequently than on the left side. These trends are consistent with trends in behavioural laterality that have been recorded in captive and lab-reared species. Ours is one of the few studies to observe patterns of laterality in a wild species. |
| Uitgever: |
Psychology Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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