General
Orange-crowned Warbler: Small warbler with olive-green upperparts and faintly streaked, yellow underparts. Head has inconspicuous orange crown, broken eye-ring, and dark eye-line. Sexes are similar.
Range and Habitat
Orange-crowned Warbler: Breeds from Alaska east to Quebec and Labrador, and south to California, Arizona, and New Mexico. Spends winters from southern U.S. into tropics. Preferred habitats include forest edges, especially in low deciduous growth, burns, clearings, and thickets; often seen in riverside willows and scrub oak chaparral during migration.
Breeding and Nesting
Orange-crowned Warbler: Three to six white eggs with dark red and brown blotches are laid in a large nest made of grass and other plant fibers, lined with fur or feathers, and built on the ground or in a low shrub. Incubation ranges from 12 to 14 days and is carried out by the female.
Foraging and Feeding
Orange-crowned Warbler: Eats invertebrates, berries, nectar, and sap; regularly feeds at Red-naped Sapsucker wells.
Readily Eats
Sugar Water, Fruit, Nut Pieces
Vocalization
Orange-crowned Warbler: Song is a simple trill going up or down the scale toward the end. Call is a sharp "stik."
Similar Species
Orange-crowned Warbler: Tennessee Warbler has blue-gray head, olive-gray back, and dark eye-line. Ruby-crowned Kinglet is smaller and has broken eye-rings and wing-bars.