Order
Passeriformes
Family
Vireonidae
Genus
Vireo
Neotropical Birds logo
Version 1.0

This is a historic version of this account.  Current version

SPECIES

Thick-billed Vireo Vireo crassirostris

Kathryn S. Peiman
Version: 1.0 — Published September 4, 2013

Sounds and Vocal Behavior

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Vocalizations

Only male Thick-billed Vireos sing. The definitive sound has been described as a "non-musical buzzy, burry syllable" which is present in most songs (Walker 1998). Their songs have a general pattern of a bubbly chik-didle-wer-chip (Raffaele et al 2003).

Walker (1998) has conducted the only detailed analysis of song variation. In eight populations, she identified eighty different syllables, with thirty-two found in only one population. Frequencies ranged from 720 - 13,760 Hz. Abaco and Andros had the highest percentage of syllables shared, and tended to cluster with New Providence; San Salvador clustered with Turks and Caicos; the Paredon Grande Cay population was separate; Cayman Brac and Grand Cayman clustered together; and Providencia (V. c. approximans) was an outgroup (they do not sing). Songs ranged from 0.46 - 2.77 seconds in length, with 3 - 14 syllables per song (5 - 8 being typical). Northern Bahamas populations had the most song types. Song types tended not to be shared among populations. Individual males sang up to nine song types.

Long song, subsong, or rambling song - syllables with no set pattern - can last over 8 seconds (Walker 1998). The function of this song is not known.

Both sexes emit a chatter call, which consists of a repeated single, buzzy note. Here an agitated male chatters in response to a simulated intrusion.

Additional audio recordings of vocalizations of Thick-billed Vireo can be heard at Macaulay Library, at xeno-canto, and at Internet Bird Collection.

Nonvocal Sounds

None reported.

Recommended Citation

Peiman, K. S. (2013). Thick-billed Vireo (Vireo crassirostris), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.thbvir.01