This is an intermediate-level comparison group of warbler songs and sounds from Land Birds of North America, Western region.
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Wilson's Warbler
Song
A rapid series of notes, usually with chattering quality but sometimes more whistled; often changes at end.
Nashville Warbler
Song
Slower and sharper than Wilson's, and distinctly two-parted; ending slower and more whistled in West, faster and harder in East. Sipa sipa sipa sipa tea-tea-tea-tea.
Yellow Warbler
Song
Sweet, clear whistles, typically with quick "stutter" phrase before final rising or descending note. Much variation, but two common patterns: sweet sweet sweet little-more sweet and sweet sweet sweet me-me-me-too. Some lack accented ending and are Nashville-like but with more lisping quality; introductory notes with single syllable (usually two-syllabled in Nashville). Sweet sweet sweet so-so-so-so.
Yellow-rumped Warbler
Song
A steady-paced, slurred warble; usually fades at end but some with stronger ending. More slurred, less emphatic than Nashville or Wilson's.
Orange-crowned Warbler
Song
Hard, rapid trill, usually fading and dropping at end.
Recordings copyright 2011-2012 Macaulay Library, all rights reserved. All photos (except as noted) copyright 2011-2012 Brian E. Small, all rights reserved. Yellow-rumped Warbler: Copyright Matthew Studebaker. Song texts copyright 2011-2012 Larkwire, LLC., all rights reserved.