and much of northern Mexico, migrating south to Central America and in very small numbers to northern South America; the southernmost record comes from eastern Ecuador. This species is found in partly open habitat with scattered trees, riparian woodland, scrub, thickets, cultivated lands, woodland edges, overgrown fields, or hedgerows. Behaviour and ecology Breeding The blue grosbeak nests in a low tree or bush or a tangle of vegetation, usually about above ground, often at the edge of an open area. Feeding It eats mostly insects, but it will also eat snails, spiders, seeds, grains, and wild fruits. The blue grosbeak forages mainly on the ground. Gallery References External links Xeno-canto: audio recordings of the blue grosbeak Cornell Lab of Ornithology - All About Birds: Blue grosbeak eBird: Blue grosbeak blue grosbeak Birds of the United States Birds of Central America Birds of Mexico Birds of Guatemala Birds of El Salvador blue grosbeak blue grosbeak