Distribution / Habitat
Breed across most of the United States - with populations occurring in central California, east through Nevada, Colorado, the Dakotas, Kansas, Missouri, Illinois and New Jersey south to central Florida and the Gulf of Mexico coast, through Mexico and Central America as far south as Panama.
Migrate south to winter in Mexico, Central America (south to Costa Rica), and the Caribbean. Occasionally, they winter in southern USA.
Vagrants occur as far north as New Hampshire, USA and as far south as northern South America (the southernmost record being from eastern Ecuador).
Blue Grosbeaks measure 5.51 - 6.69 inches (14 - 17 cm) in length, including the tail, and have a wingspan of about 10 - 11 inches (26 - 29 cm). They weigh between 0.92 - 1.11 oz (26 - 31.5 g).
Males and females can easily be identified by the different color of their plumages.
The breeding male Blue Grosbeak is has a nearly entirely deep blue plumage with a blackish face. Outside the breeding season, the blue feathers have brownish edges.
The female is mostly brown (paler below) with some pale blue markings on the rump and tail
Both have blackish wings and tails; large, cone-shaped, silver-grey bills; and reddish-brown wing bars.
They are often observed flicking and spreading their tails.