Bird communication: two voices are better than one.
How do emperor penguins find their mates on a featureless ice flow, packed at densities of ten animals per square meter? A recent study has revealed how use of their 'two-voice' calls enables emperor penguins to locate their mates and chicks under some of nature's most extreme conditions.
Sturdy
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CB
Department of Neurobiology, Duke University Medical Center, Durham, North Carolina 27710-3209, USA. cbsturdy@duke.edu
Mooney
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R
D000819:Animal Communication; D000818:Animals; D001717:Birds / Q000502:physiology*