Lucy's Warbler

General description.

"Lucy's Warbler" is the smallest warbler found in North America, measuring a mere 4.25 inches in length. It is rather nondescript compared to other wood-warblers, modestly garbed in gray and white, and the rufous parts are difficult to see, especially in the female, and only at certain angles. It has a white eyering and a small, pointed bill. This bird is named for Lucy Baird, daughter of the 19th Century zoologist, Spencer F. Baird.

Juvenile appearance.

The young lack the chestnut patches.

Calls or song.

The male flits about warbling a rapid, "weeta weeta weeta che che che che che".

Population and distribution.

"Lucy's Warblers" inhabit the mesquite and brushy country of the southwestern United States and northwestern Mexico. Habitat loss and to a lesser extent, Brown-headed Cowbird parasitism are threatening this species, and populations are diminishing throughout its breeding range.

Nesting habits.

The female "Lucy's Warbler" builds a nest of bark, weeds, leaf stems and animal hair in a tree cavity or abandoned woodpecker hole; the only warbler besides Prothonotary to do so. Here she lays four or five white eggs, dotted with brown.
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