Polygynandry and avian swingers
10,000 Birds
MARCH 15, 2011
In the case of Acorn Woodpeckers, they are cooperative breeders (as with many other polygynandrous species), which seems to predispose species to polygynandry. Alpine Accentors, on the other hand, are not cooperative breeders and females typically have very little to do with each other.
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