Bird song has been extensively studied in oscine passerines, but far less is known about song in hummingbirds, which are distantly related to passerines. Song is generally thought of as a male trait. Here we document song in 2 wild female Costa's Hummingbirds (
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1 December 2018
Female song in Costa's Hummingbird (Calypte costae )
Christopher J. Clark,
David Rankin,
Katherine Johnson
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female song
hummingbird
learning
Trochilidae
vocalization