Summary ²

The Savannah sparrow (Passerculus sandwichensis) is a small American sparrow. It is the only widely accepted member of the genus Passerculus. Comparison of mtDNA NADH dehydrogenase subunit 2 and 3 sequences indicates that the Ipswich sparrow, formerly usually considered a valid species (as Passerculus princeps), is a well-marked subspecies of the Savannah sparrow, whereas the southwestern large-billed sparrow should be recognized as a distin

Fuentes y créditos

1. (c) Mike Leveille, algunos derechos reservados (CC BY-NC), subido por Mike Leveille
2. (c) Wikipedia, algunos derechos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Passerculus_sandwichensis

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