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Polygynandry and avian swingers

10,000 Birds

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.

2011 203
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Combined Beats’ List – September

10,000 Birds

All birds are equal on this list; parking lot birds or pelagic species, breeders or fly-overs, all will be accorded the same status and each shall be worth 1 credit on the list. Thus, a combined list of current beat writers will be compiled to see how many birds, weird and wonderful, common or unusual we can find between us. 13 Jan 2016.

2016 154
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Combined Beats’ List – August

10,000 Birds

All birds are equal on this list; parking lot birds or pelagic species, breeders or fly-overs, all will be accorded the same status and each shall be worth 1 credit on the list. Thus, a combined list of current beat writers will be compiled to see how many birds, weird and wonderful, common or unusual we can find between us. 01 Jan 2016.

2016 101