WARBLING VIREO

WARBLING VIREO (Vireo gilvus) – (See images below)
DESCRIPTION: The Warbling Vireo is mainly grey for its upper parts. Under parts are creamy with buff sides. Eyes are brown, with a white eyebrow. Bill and legs are grey. Sexes are similar. Bird length is about 10 cm (4 inches).
VOICE: https://www.xeno-canto.org/species/Vireo-gilvus
NAME: ‘Vireo’ refers to the green color. ‘Warbling’ was given to this species because of its attractive songs. Latin name ‘gilvus’ means ‘yellowish’.
HABITAT: Mixed and deciduous forests.
DIET: Insects foraged in trees, also berries and seeds.
NESTING: Nest is a cup-like structure hanging from a tree. Generally four white eggs are laid, incubated by both parents. Chicks fed by both parents. Nest is often parasitized by Brown-headed Cowbird.
DISTRIBUTION: Breeds in most of the USA and south central Canada and most of Canadian western regions. Winters in Mexico and Central America.
Distribution Map: https://en.wikipedia.org/wiki/Warbling_vireo#/media/File:Vireo_gilvus-map.png
ON PEI: Does not breed on Prince Edward Island, sightings occasional in spring and summer.
CONSERVATION: Population widespread and numbering in the 50 million range, not at risk.
SIMILAR SPECIES: Red-eyed Vireo, Philadelphia Vireo
REFERENCES: https://www.borealbirds.org/bird/warbling-vireo
https://www.mba-aom.ca/jsp/toc.jsp (Maritimes Breeding Bird Atlas)
https://nature.mdc.mo.gov/discover-nature/field-guide/warbling-vireo (Missouri Department of Conservation)
http://fieldguide.mt.gov/speciesDetail.aspx?elcode=ABPBW01210 (Montana Field Guide)
https://animaldiversity.org/accounts/Vireo_gilvus/ (University of Michigan)
https://en.wikipedia.org/wiki/Warbling_vireo
https://www.allaboutbirds.org/guide/Warbling_Vireo
https://txtbba.tamu.edu/species-accounts/warbling-vireo/ (Texas Breeding Bird Atlas)
https://birdatlas.mb.ca/accounts/speciesaccount.jsp?sp=WAVI&lang=en (Manitoba Breeding Bird Atlas)
https://www.audubon.org/field-guide/bird/warbling-vireo
https://identify.whatbird.com/obj/152/behavior/Warbling_Vireo.aspx

Warbling Vireo singing - Ruby Mountains, NE - June 2007 - photo by Gary L. Clark
Warbling Vireo singing – Ruby Mountains, NE – June 2007 – photo by Gary L. Clark
Warbling Vireo, front view - Mount Auburn, MA - Sept. 2008 - photo by John Harrison
Warbling Vireo, front view – Mount Auburn, MA – Sept. 2008 – photo by John Harrison
Warbling Vireo on nest - Ruby Mountains, NE - June 2009 - photo by Gary L. Clark
Warbling Vireo on nest – Ruby Mountains, NE – June 2009 – photo by Gary L. Clark

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