House Finch

Scientific Name: Haemorhous mexicanus

Classification: Order: Passeriformes; Family: Fringillidae

Brief Description

A small-bodied finch with a large beak and long tail. Often found in social groups, they are common visitors to backyard feeders and are known for their cheerful, warbling songs.

Additional Information

Region of Origin: Western North America; now introduced and widespread across the entire United States, southern Canada, and Mexico.
Typical Sighting Period: Year-round in most of its range, generally most visible at feeders during winter and spring.
Plumage Details: Adult males feature a bright red or orange breast, forehead, and rump with brown streaking on the belly. Females are plain grayish-brown with thick, blurry streaking throughout the underparts and no red coloration.
Ecological Significance: As primary granivores, they play a role in seed dispersal. They also serve as a prey source for urban raptors like Cooper's Hawks.
Conservation Status: Least Concern (Population stable/increasing)
Observation Tips: Very easy to attract to backyards using black oil sunflower seeds or nyjer. They are social and usually found in small flocks rather than alone.

Size & Weight

Length: 5.1-6 inches, Wingspan: 8-10 inches, Weight: 16-27 grams

Diet

Almost exclusively vegetarian; consumes seeds, buds, and berries. Frequently visits bird feeders for sunflower seeds.

Habitat

Found in urban and suburban areas, farms, forest edges, and grasslands with scattered trees.

Migration

Mostly resident, though some northern populations may move slightly south or to lower elevations in winter.

Voice (Call & Song)

A lively, high-pitched warbling song ending in a harsh downward 'veeeer'. Calls include a sharp 'queet'.

Nesting & Breeding

Builds cup nests in trees, cacti, or on human structures like ledges and ivy. Lays 3-6 bluish-green eggs with fine dark spots.

Key Field Marks

Conical 'seed-eater' beak, square-tipped tail, blurry brown streaks on flanks, and male's red 'headlight' coloration on the brow.

Similar Species

Purple Finch (males have red on wings/back, females have stronger face patterns) and Cassin's Finch (males have brighter red crowns and distinct white eye rings).

Interesting Facts

The intensity of the male's red plumage is derived strictly from pigments in the fruit and seeds it eats; females prefer to mate with the reddest males.