Rose-breasted Grosbeak

The Rose-breasted Grosbeak breeds in deciduous and mixed forests across the eastern and central United States and southern Canada. Males show a dramatic black head and back, white underparts and wing patches, and a vivid rose-red triangular patch on the upper breast, while females are cryptically patterned in brown streaking similar to a large sparrow. This strong plumage difference between the sexes makes feather identification straightforward once the sex of the source bird is known.

Size and Shape

Feathers are fairly large and robust for a songbird, consistent with the grosbeak's heavy, seed-cracking bill and stocky build.

Color and Pattern

• Male head, back, and wing feathers: glossy black with bold white patches
• Male breast feathers: vivid rose-red triangular patch, unique among regularly occurring eastern songbirds
• Female feathers: brown and buff with heavy dark streaking overall, more sparrow-like
• Underwing coverts show pink or yellow tones depending on sex

Distinguishing from Similar Species

A male Rose-breasted Grosbeak's black-and-white pattern with a rose-red breast patch is unmistakable and not shared by any other regularly occurring eastern species. Females are more easily confused with large sparrows but can be told apart by their notably heavier, more conical bill-associated feather tracts and bold facial striping.

Adult males show glossy black upperparts, white underparts and wing patches, and a rose-red breast triangle; adult females are heavily streaked brown and buff with a bold white eyebrow stripe, lacking any red. Immature males resemble females initially, gradually acquiring black and red feathering over their first couple of years. Adults undergo a complete molt after breeding, before fall migration.

Rose-breasted Grosbeaks breed in deciduous and mixed forests across the northeastern and north-central United States and adjacent Canada, favoring forest edges and clearings with a mix of canopy and understory. The species is a long-distance migrant, wintering from Mexico south through Central America and into northern South America.

This grosbeak forages on insects, seeds, and fruit, using its heavy bill to crack open larger seeds, and often forages in the mid-to-upper canopy. It builds a loosely constructed cup nest in a tree or shrub, and unusually for songbirds, males help incubate the eggs and even sing while sitting on the nest. Its song is a rich, warbling series often described as similar to an American Robin's but more musical and complex, and its call is a distinctive sharp, squeaky note likened to a sneaker on a gym floor.