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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 214
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Urban Ornithology: 150 Years of Birds in New York City–A Book Review

10,000 Birds

The first three sections are brief, presenting a summary of the bird’s current NYC status (migrant, resident, breeder, vagrant, etc.), They wrote books and published research. and historical status as described in specific ornithological writings by John Bull, Allen Cruickshank, Ludlow Griscom, E. Eaton, and John Kuerzi.

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Birding Shanghai in December 2023

10,000 Birds

Azure-winged Magpies are cooperative breeders, and it seems that there is a connection between having a larger repertoire of calls and being a social species (me, not being very social, I usually get by with just three different grunting sounds). Some ornithological research is surprisingly simple.

Birds 194
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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. International Birding and Research Center Eilat (IBRCE). International Birding and Research Center Eilat (IBRCE). 04 Aug 2016. 26 Mar 2016. 04 Aug 2016.

2016 154