Cerulean Warblers, Dendroica cerulea
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The Cerulean Warbler, Dendroica cerulea, is a small songbird of the New World warbler family.
Adult males have pale cerulean blue upperparts and white underparts with a black necklace across the breast; they also have black streaks on the back and flanks. Females and immature birds have greyer or greenish upperparts, a pale stripe over the eye, and no streaking on the back and no necklace. All of theses birds, regardless of their age, have wing bars and a thin pointed bill.
Their breeding habitats are mature deciduous forests in eastern North America. Their nests are cup-shaped, and are placed on a horizontal branch high in a hardwood tree.
These birds migrate to forested mountain areas in South America.
They forage actively high in trees, sometimes catching insects in flight. These birds mainly eat insects.
The song of this bird is a buzzed zray zray zray zray zeeee. The call is a slurred chip.
In fragmented forest areas, this bird is vulnerable to nest parasitism by the Brown-headed Cowbird. This bird's numbers are declining faster than any other warbler species in the USA; its population nowadays is less than one-fifth of what it was 40 years ago.
References
- BirdLife International (2004). Dendroica cerulea. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes a range map, a brief justification of why this species is vulnerable, and the criteria used
External links
- Cerulean Warbler Atlas Project
- Cerulean Warber Species Account - Cornell Lab of Ornithology
- Cerulean Warbler Information - South Dakota Birds and Birding
- Cerulean Warbler - Dendroica cerulea - USGS Patuxent Bird Identification InfoCenter
Copyright: Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia.org
Relevant Web Resources: Birds of Nova Scotia
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