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Birds in male harem just yell for a mate
Male bronze-winged jacanas, ruled in a harem by a single female, compete for her attentions by yelling.
References:
Butchart, S.H.M., et al. 1999. Yelling for sex: Harem males compete for female access in bronze-winged jacanas. Animal Behaviour 57(March):637.
Emlen, S.T., P.H. Wrege, and M.S. Webster. 1998. Cuckoldry as a cost of polyandry in the sex-role-reversed wattled jacana, Jacana jacana. Proceedings of the Royal Society of London B 265(Dec. 22):2359.
Sources:
Stuart H.M. Butchart
University of Cambridge
Department of Zoology
Downing Street
Cambridge CB2 3EJ
United Kingdom
Peter H. Wrege
Cornell University
Neurobiology and Behavior Department
Mudd Hall
Ithaca, NY 15853
From Science News, Vol. 155, No. 10, March 6, 1999, p. 149. Copyright © 1999, Science Service.
