Experimental Evidence for Sibling Recognition in Common Terns (Sterna Hirundo)

Abstract Young Common Terns (Sterna hirundo) did not respond preferentially to calls of siblings at 8 and 9 days of age, but did so by 12 days of age. In experiments with and without visual isolation, and with use of playback, we demonstrated a tendency to approach sibling begging calls. This differ...

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Bibliographic Details
Published in:The Auk
Main Authors: Burger, J., Gochfeld, M., Boarman, W. I.
Format: Article in Journal/Newspaper
Language:English
Published: Oxford University Press (OUP) 1988
Subjects:
Animal Science and Zoology
Ecology, Evolution, Behavior and Systematics
Sterna hirundo
Online Access:http://dx.doi.org/10.1093/auk/105.1.142
http://academic.oup.com/auk/article-pdf/105/1/142/30083689/auk0142.pdf
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Summary:Abstract Young Common Terns (Sterna hirundo) did not respond preferentially to calls of siblings at 8 and 9 days of age, but did so by 12 days of age. In experiments with and without visual isolation, and with use of playback, we demonstrated a tendency to approach sibling begging calls. This differential response indicated sibling-recognition occurred, was based on experience, and involved vocal cues.

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