2013 AOU North American checklist proposals
10,000 Birds
MARCH 17, 2013
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. Proposal 2013-A-3 recommends adopting that split on the basis of a 2009 study (I wrote about it back in the day here ).
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