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New Place in Costa Rica, New Yard List

10,000 Birds

Although it was nothing like going from New York to California or even Buffalo, New York to North Carolina, a change of location, however slight, can bring new birds especially in Costa Rica. They shared the bushes with three of Costa Rica’s common flycatcher species, each nearly as vocal as the blackbirds. Right at home.

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2013 AOU North American checklist proposals

10,000 Birds

New World populations of the widely distributed Sandwich Tern ( Thalasseus sandvicensis ) are treated by some authorities (including the British Ornithologists’ Union) as a distinct species: Cabot’s Tern ( T. Sage Sparrow split. nevadensis ) and California Sage Sparrow ( A. acuflavida ). lherminieri ).

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Welcome Back Waterfowl at Lee Metcalf National Wildlife Refuge

10,000 Birds

Like several of my favorite NWRs, this one was established as a haven for migratory birds, most notably waterfowl, during the bad old days when uncontrolled hunting and habitat loss had put the future of even species we now think of as common in doubt. As a result, early migration season is an excellent time to visit.

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AOU 53rd supplement: Highlights and near misses

10,000 Birds

Aplomado Falcon ( Falco femoralis ) by Jon David Nelson Shakeups for shearwaters and murrelets Xantus’s Murrelet ( Synthliboramphus hypoleucus ) has been split into California-breeding Scripps’s Murrelet ( Synthliboramphus scrippsi ) and Baja-breeding Guadalupe Murrelet ( Synthliboramphus hypoleucus ).

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