Brown-capped Vireo Vireo leucophrys
Version: 1.0 — Published March 22, 2013
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Sounds and Vocal Behavior
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The song of Brown-capped Vireo often is described as similar to the song of Warbling Vireo (Vireo gilvus) of North America (e.g. Eisenmann 1962, Howell and Webb 1995, Hilty 2003), although Miller (1963) thought that "the song does not suggest that of gilvus". Descriptions of the song of Brown-capped Vireo include "a rich to slightly scratchy warble of about 1.5-2.5 s duration" (Mexico; Howell and Webb 1995); "a full, rich warbling that alternately rises and falls; resembles songs of certain finches or yellowthroats (e.g., Olive-crowned [Geothlypis semiflava] but phrases usually shorter, often with slightly harsh or burry quality" (Costa Rica; Stiles and Skutch 1989);"a musical warbled witweetchur wetweetchur witwéet, rising at end" (Colombia; Hilty and Brown 1986); "a short fast musical warble" (Ecuador; Ridgely and Greenfield 2001b); and as "a hesitating, pleasant warble of variable pattern, yet fairly easy to identify: wurzle-wee-wee wurzle-weezle-wee wurzle-wee" (Peru; Lane, in Schulenberg et al. 2010).
For a representative audio recording with sonogram, see audio
Calls of Brown-capped Vireo include "a nasal up-slurred meihk or rreih, often given 2-5 [times] in fairly rapid succession" (Howell and Webb 1995) and "a wheezing, descending zreeEEEEw" (Lane, in Schulenberg et al. 2010).