Article
Molecular systematics of the new world screech-owls (Megascops: Aves, Strigidae): biogeographic and taxonomic implications.
Molecular phylogenetics and evolution - 1 Jan 2016
Dantas Sidnei M, Weckstein Jason D, Bates John M, Krabbe Niels K, Cadena Carlos Daniel, Robbins Mark B, Valderrama Eugenio, Aleixo Alexandre
Abstract excerpt
Megascops screech-owls are endemic to the New World and range from southern Canada to the southern cone of South America. The 22 currently recognized Megascops species occupy a wide range of habitats and elevations, from desert to humid montane forest, and from sea level to the Andean tree line. Species and subspecies diagnoses of Megascops are notoriously difficult due to subtle plumage differences among taxa...
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