The Cerulean Warbler, Setophaga 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 these birds, regardless of their age, have wing ba...
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The Cerulean Warbler, Setophaga 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 these birds, regardless of their age, have wing bars and a thin pointed bill.
Their breeding habitats are mature deciduous forests in eastern North America. They migrate to spend the boreal winter in forested mountain areas in South America.
They forage actively high in trees, sometimes catching insects in flight. These birds mainly eat insects. Their nests are cup-shaped, and are placed on a horizontal branch high in a hardwood tree. The song is a buzzed zray zray zray zray zeeee. The call is a slurred chip.
The Cerulean Warbler is the fastest declining neotropical migrant songbird. Among...
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