1. #AnimBehav2021
Behavioural flexibility is crucial for adapting to changes. Enhanced flexibility has been related to relatively large brained animals like parrots. We tested two Ara species’ behavioural flexibility, and explore possible explanations for their performance.
2. #AnimBehav2021
In a serial reversal learning task, 6 Blue-Throated & 6 Great Green Macaws learned to discriminate between two colours for high or low quality reward. Reward contingency was reversed after reaching a learning criterion. Individuals completed 5 reversals.
3. #AnimBehav2021
Data on proportion of each individual’s social dynamics (e.g., allopreening, sitting in body contact) and proportion of the number of food type consumed were collected to examine the possible explanations for their performance.
4. #AnimBehav2021
Both species did it!
a) Blue-Throated Macaws took fewer trials to reach the criterion than Great Green Macaws across reversal phases.
b) Social individuals took fewer trials.
Also, Blue-Throated Macaws tended to be less social than Great Green Macaws.
5. #AnimBehav2021
Although Blue-Throated Macaws seemed to be less social than Great Green Macaws, they were faster across reversal phases. This result supports but also contradicts to the Social Intelligence Hypothesis that predicts that social individuals would be more flexible.
6. #AnimBehav2021
Both Ara species show behavioural flexibility in a serial colour reversal learning task. The #BlueThroatedMacaws outperformed the #GreatGreenMacaws across reversal phases. Sociality but not food type consumption affected reversal performance.
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