Black-headed Grosbeak Identification Guide

Key Field Marks

• Large, thick-billed finch with a heavy, conical, pale bill well suited to cracking seeds.
• Breeding male has a black head, black-and-white patterned wings, and a rich cinnamon-orange body, with orange extending across the breast, collar, and rump.
• Female and immature males are streaked brown above with a bold buffy-white eyebrow stripe, buffy underparts, and a large pale bill — a much subtler pattern than the male.
• In flight, males show flashes of yellow under the wing.

Separating It From Similar Species

• Rose-breasted Grosbeak, the eastern counterpart, has a black-and-white male plumage with a rose-red breast patch rather than orange-cinnamon body coloring; females of the two species are very similar and best separated by range, though the two species hybridize where ranges overlap in the Great Plains.
• Female Black-headed Grosbeak can resemble a large sparrow but is readily told apart by its oversized, pale conical bill and yellow wing linings visible in flight.
• Male Bullock's Oriole shares orange tones but has a much thinner, pointed bill and different head pattern (orange face with black eyeline, not an all-black head).

Where and When to See It

• Breeds across western North America, from British Columbia south through the western U.S. into Mexico, in open deciduous and mixed woodland, riparian corridors, and forest edges.
• A long-distance migrant, wintering primarily in Mexico.
• Best looked for in spring and summer at woodland edges, orchards, and streamside groves within its breeding range.

Voice and Behavior

• Song is a rich, rapid, robin-like warbling, often described as sweeter and more musical than a robin's, delivered from a high perch.
• Call is a sharp, distinctive "eek" or squeaky note, useful for locating birds in dense foliage.
• Diet includes seeds, insects, and fruit; notably one of the few birds known to regularly eat toxic monarch butterflies on their wintering grounds in Mexico.