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机译:Overcoming challenges to morphological and molecular identification of Empidonax flycatchers: a case study with a Dusky Flycatcher
Old Dominion Univ, Dept Biol Sci, Norfolk, VA 23529 USA;
Toronto Zoo, 361A Old Finch Ave, Toronto, ON M1B 5K7, Canada;
Smithsonian Inst, Div Birds, POB 37012,MRC 116, Washington, DC 20013 USA;
Barcoding; BOLD; Empidonax affinis; Empidonax oberholseri; GenBank;