Rose-breasted Grosbeak

Scientific Name: Pheucticus ludovicianus

Classification: Order: Passeriformes; Family: Cardinalidae

Rose-breasted Grosbeak

Brief Description

A medium-sized seed-eating bird known for its striking coloration and beautiful song. They are robust birds with very thick, pale conical bills used for cracking seeds.

Additional Information

  • Region of Origin: North America; breeds across much of Canada and the northeastern/midwestern United States, wintering in Central and northern South America.
  • Typical Sighting Period: Late spring (during migration through May) and through the summer breeding season.
  • Plumage Details: Adult males (visible in image) have a black head and back, white underparts, and a brilliant V-shaped rose-red patch on the chest. Females and juveniles are brownish and heavily streaked, resembling large sparrows with a bold white eyebrow.
  • Ecological Significance: Acts as both a seed disperser and a natural pest controller, consuming significant amounts of beetles, caterpillars, and other insects during the breeding season.
  • Conservation Status: Least Concern (IUCN); however, populations are experiencing a slow long-term decline due to habitat loss and fragmentation.
  • Observation Tips: Look for them in deciduous forests or at backyard bird feeders where they are fond of black oil sunflower seeds during spring migration.

Size & Weight

Length: 7-8 in (18-21 cm); Wingspan: 11-13 in (29-33 cm); Weight: 1.4-1.7 oz (39-49 g).

Diet

Omnivorous; feeds on insects, seeds, berries, and buds. They often glean insects from foliage high in the canopy.

Habitat

Deciduous and mixed woodlands, forest edges, and suburban areas with mature trees.

Migration

Long-distance migrant; travels between North American breeding grounds and tropical wintering grounds in Central and South America.

Voice (Call & Song)

A rich, melodious warbling song similar to an American Robin but more refined and 'sweeter.' The call is a sharp, metallic 'ink' or 'peek.'

Nesting & Breeding

Builds a flimsy, cup-shaped nest in trees or shrubs. Usually lays 3-5 eggs. Both the male and female share incubation duties.

Key Field Marks

Large pale bill, black head/back, white belly, and the iconic rose-red triangular breast patch on the male.

Similar Species

Black-headed Grosbeak (western counterpart, orange breast), Painted Bunting (much smaller, different color pattern).

Interesting Facts

Unlike many birds where only the female sits on the nest, male Rose-breasted Grosbeaks are known to sing while they are incubating eggs.