House Finch

Haemorhous mexicanus

The intensity of a male's red plumage is determined by the amount of carotenoid pigments in the seeds he eats while molting.

Scientific name
Haemorhous mexicanus
Taxonomy
Animalia › Chordata › Aves › Passeriformes › Fringillidae › Haemorhous
IUCN Red List status
Least Concern
Population trend
stable
Biome
urban
Habitat
Suburban gardens, urban parks, desert scrub, and forest edges.
Diet
Strictly vegetarian, feeding on seeds, buds, and berries.
Range
North America, Mexico, Hawaii
Size
12-15 cm in length, 16-27 g in weight
Lifespan
2-5 years on average
Active
diurnal
Threats
Domestic cats, window collisions, and Mycoplasmal conjunctivitis.
Safe to approach?
Harmless and a delight to observe. Maintain a respectful distance at bird feeders. If you encounter an ill bird with swollen or crusty eyes, clean your feeders immediately with a 10% bleach solution to prevent the spread of finch conjunctivitis.

The house finch ( Haemorhous mexicanus ) is a bird in the finch family Fringillidae. It is native to western North America, and has been introduced to the eastern half of the continent and Hawaii. This species and the other "American rosefinches" are placed in the genus Haemorhous .

Photo: MostlyDross, CC-BY, via iNaturalist

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