The House Finch is a moderately sized bird at 12,5 to 15 cm length ; a wingspan of 20 to 25 cm (7.9 to 9.8 in) and body mass from 16 to 27 g. Adults have a long, square-tipped brown tail and are a brown or dull-brown color across the back with some shading into deep gray on the wing feathers. Breast and belly feathers may be streaked. Adult males' heads, necks and shoulders are reddish. This color sometimes extends to the belly and down the back, between the wings. Male coloration varies in intensity with the seasons. Adult females have brown upperparts and streaked underparts.


Habitat and Distribution

These birds are mainly permanent residents throughout their range; some northern and eastern birds migrate south. Their breeding habitat is urban and suburban areas in eastern North America as well as various semi-open areas in the west from southern Canada to northern Florida and the Mexican state of Oaxaca; the population in central Chiapas may be descended from escaped cagebirds.


Feeding

Their diet consists of grains, berries and weed seeds such as nettle and dandelion. They are also visitors of bird feeders which are stocked with sunflower or nyjer seed.


Breeding

The bird 's nest is made in cavities, including openings in buildings, hanging plants, and other cup-shaped outdoor decorations. It is built by the female forming a cup shape usually 1,8 to 2,7 m above the ground. The eggs are a pale bluish green with few black spots and a smooth, somewhat glossy surface. Two to six eggs are laid from February through August.


Calls and Songs

Their song is a rapid, cheery warble or a variety of chirps.