Sydney cockatoos teach flock members to open garbage can lids
Sydney residents report that sullen-crested cockatoos have learned to lift municipal garbage can lids and pass these skills to other birds in their flocks.
Birds overcome weighted can obstacles
The birds twist fountain handles with their feet to access water. They also jam sticks into hinges to lift heavy lids. Residents place weights on cans because the birds regularly scatter garbage.
Researchers study social learning behavior
Evolutionary biologist Lucy Aplin uses these interactions to examine how skills spread. The birds share techniques with neighbors and members of their own group. This ability allows them to adapt quickly to urban environments.
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