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Science 20 June 2003:
Vol. 300. no. 5627, pp. 1887 - 1889
DOI: 10.1126/science.1085692
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Perspectives

ECOLOGY AND EVOLUTION:
Desperately Seeking Similarity

Janis L. Dickinson and Walter D. Koenig

In cooperative animals, kin selection theory predicts that cooperative breeding should arise among relatives. In their Perspective, Dickinson and Koenig explain that such a prediction has a number of complications, as exemplifed by studies in two species of cooperative breeders: carrion crows and side-blotched lizards (Baglione et al., Sinervo and Clobert).

The authors are at the Hastings Reservation and Museum of Vertebrate Zoology, University of California, Berkeley, CA 93924, USA. E-mail: sialia{at} uclink.berkeley.edu, wicker{at}uclink.berkeley.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Self-recognition, color signals, and cycles of greenbeard mutualism and altruism.
B. Sinervo, A. Chaine, J. Clobert, R. Calsbeek, L. Hazard, L. Lancaster, A. G. McAdam, S. Alonzo, G. Corrigan, and M. E. Hochberg (2006)
PNAS 103, 7372-7377
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Science. ISSN 0036-8075 (print), 1095-9203 (online)