Article
Social structure of pilot whales revealed by analytical DNA profiling.
Science (New York, N.Y.) - 30 Apr 1993
Amos B, Schlötterer C, Tautz D
Abstract excerpt
Long-finned pilot whales swim in large, extremely cohesive social groups known as pods. Molecular typing revealed that pod members form a single extended family. Mature males neither disperse from nor mate within their natal pods, a situation unusual for mammals. Such behavior could be explained in terms of inclusive fitness benefits gained by adult males helping the large number of female relatives with which...
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