Hard bites and slow songs: How beak size affects the singing and evolution of songbirds
The Java sparrow is ready for the video recording. As I hold it carefully in my hand in order to transfer it to the recording ...
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Bird Songs
The canary may take 30 mini-breaths a second to ... Whatever the habitat, birds have a way of singing into it. When a bird sings, it can always be heard, even after it has moved out of sight.