Vocal mimicry in the brown thornbill
Mimicry of other species' alarm calls is common among birds, but its function is often unknown. Although anti-predator functions for mimetic alarm calls have been suggested, these are yet to be tested. In this thesis I formally evaluated claims of vocal mimicry in the brown thornbill (Acanthiza pusilla) and tested if mimetic vocalisations function in preventing nest predation. Both male and female thornbills are capable of mimicking a range of different vocalisations, including heterospecific...[Show more]
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