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Montana Animal Field Guide

Montana Field Guides

Yellow-breasted Chat - Icteria virens

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Global Rank: G5
State Rank: S5B

Agency Status
USFWS: none
USFS: none
BLM: none
CFWCS Tier: 2
PIF: none





 

General Description
The largest wood warbler: robust build, large bill with strongly curved culmen, long tail, and distinctive plumage distinguish this species from all other wood-warblers and similarly colored songbirds. Upper parts olive green to grayish olive; chin, throat, and breast lemon-yellow (sometimes tinged with orange), contrasting with mainly white belly and under tail-coverts. Face grayish with black lores, white supercillium, and white eye-crescent on lower eye-lid. Sexes very similar, but during breeding season, female has grayish lores, gray lower mandible, and pink mouth-lining, in contrast to male's black. Little seasonal change although upperparts more brownish, yellow underparts more olive, and flanks more buffy or brownish, and bill more brownish in winter. (Eckerle, Kevin P., and Thompson, Charles F., The Birds of North America, No. 575, 2001).

General Distribution
Montana Range



Western Hemisphere Range

 


Summary of Observations Submitted for Montana
Number of Observations: 1016

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

Breeding
(direct evidence "B")


Breeding
(indirect evidence "b")


No evidence of Breeding
(transient "t")


Overwintering
(regular observations "W")


Overwintering
(at least one obs. "w")



 

(Records associated with a range of dates are excluded from time charts)



Habitat
Found in low, dense vegetation without a closed tree canopy, including shrubby habitat along stream, swamp, and pond margins; forest edges, regenerating burned-over forest, and logged areas; and fencerows and upland thickets of recently abandoned farmland (Eckerle and Thompson 2001).

Food Habits
Adults feed on small invertebrates (mainly insects and spiders), fruit and berries when available (Eckerle and Thompson 2001).

Reproductive Characteristics
Nests usually placed near ground in dense thickets and shrubs that provide concealment. Eggs are ovate to subelliptical in shape; color white or creamy-white with reddish brown, chestnut red, brown, and paler gray or purple speckles. Clutch size varies form 3 to 5 eggs (Eckerle and Thompson 2001). Eggs have been observed Jun 11 & 19.

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Citation for data on this website:
Yellow-breasted Chat — Icteria virens.  Montana Field Guide.  Retrieved on February 9, 2010, from http://FieldGuide.mt.gov/detail_ABPBX24010.aspx
 
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