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Polygynandry and avian swingers

10,000 Birds

While studying, he also worked on various conservation/research projects (parrots, wagtails, vultures, and anything else that flew) and ringed thousands of birds. In the case of Acorn Woodpeckers, they are cooperative breeders (as with many other polygynandrous species), which seems to predispose species to polygynandry.

2011 221
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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. New Zealand Scaup – Aythya novaeseelandiae. New Zealand Grebe – Poliocephalus rufopectus. 12 Jan 2016. Western Australia.

2016 154