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Contact: Rebecca Scott
rebeccas@unimelb.edu.au
61-383-440-181
University of Melbourne

Trill Song

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Caption: This is an example of a trill song type that tells listeners how big the singer is. Their larger physical size means that bigger male purple-crowned fairy-wrens can sing this trill song type at a lower pitch than smaller males can.

Credit: Michelle L Hall

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Related news release: Low-pitched song indicates fairy-wren size


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