Many animals learn behaviours by imitation. Ants may be the only group outside of the mammals where interactive teaching has been observed. A knowledgeable forager of Temnothorax albipennis leads a naive nest-mate to newly discovered food by the process of tandem running. The follower obtains knowledge through its leading tutor. Both leader and follower are acutely sensitive to the progress of their partner with the leader slowing down when the follower lags, and speeding up when the follower gets too close.
Controlled experiments with colonies of Cerapachys biroi suggest that individuals may choose nest roles based on their previous experience. An entire generation of identical workers was divided into two groups whose outcome in food foraging was controlled. One group was continually rewarded with prey, while it was made certain that the other failed. As a result, members of the successful group intensified their foraging attempts while the unsuccessful group ventured out less and less. A month later, the successful foragers continued in their role while the others moved to specialise in brood care.
Tags: Frequently Asked Question | Temnothorax | Behaviour
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