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A warbler of southwestern pine forests, the Grace's Warbler is a bird of the tree tops.

Appearance

The Grace's Warbler is a small songbird with a yellow chin, throat, and breast. Their back is gray and have a white belly. Black streaks run down sides of chest and flanks. They possess a short yellow eyestripe with yellow crescent under eye. Grace's Warblers have two white wingbars on their wings and white spots in the tail. Immature warblers are similar to adults, but duller, browner, and less streaked. They have the relative size of a sparrow; 4.7 inches (12 centimeters) in length, 0.3-0.3 ounces (7-9 grams) in weight, and have a wingspan of 7.9 inches (20 centimeters).

Occurrence

These warblers can be found in mature pines from Nevada to Nicaragua.

Life History

Diet

Grace's Warblers eat insects.

Nesting

Grace's Warblers are tree nesters.

Behavior

These small birds are forage gleaners.

Sounds

Their song is a slow, choppy trill.

Conservation

Grace's Warbler is a common bird in its range, however populations declined by almost 2% per year between 1966 and 2014, resulting in a cumulative decline of 56%, according to the North American Breeding Bird Survey. Partners in Flight estimates a global breeding population of 2 million with 53% breeding in the U.S., and 71% spending part of the year in Mexico. The species rates a 13 out of 20 on the Continental Concern Score and is not on the 2014 State of the Birds Watch List.

Gallery

Trivia

  • The Grace's Warbler is one of the least known of American birds. It has not been well studied, and much remains to be learned about it. Few have been banded, and only a very few studies have been made of its biology. Part of the problem is that it stays high in the tops of mature pine trees. It forages at the very branch tips and rarely perches in exposed situations.
  • They are called Reinita de Grace (in Spanish) and Paruline de Grace (French).
  • The Grace's Warbler is named after the sister of Elliott Coues, the ornithologist who discovered this bird.

Bibliography

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