House finches are granivorous birds that eat primarily seeds including sunflower seeds weed seeds and grains.
House finches. The breast rump and front of the head. They move fairly slowly and sit still as they shell seeds by crushing them with rapid bites. House finches are gregarious birds that collect at feeders or perch high in nearby trees. House finches were introduced to oahu from san francisco sometime before 1870.
The house finch haemorhous mexicanus is a bird in the finch family fringillidae. This species and the other american rosefinches are placed in the genus haemorhous. Native to the southwest they are recent arrivals in the east. The house is a relatively small carpodacus finch with a longish slightly notched tail short wings and a distinctly small bill with a curved culmen.
They had become abundant on all the major hawaiian islands by 1901. When they re not at feeders they feed on the ground on weed stalks or in trees. Fruit sap and plant buds also make up part of their diet depending on the season and local food abundance and they may even visit hummingbird feeders for a sip of nectar. The red of a male house finch comes from pigments contained in its food during molt birds can t make bright red or yellow colors directly.
It is native to western north america and has been introduced to the eastern half of the continent and hawaii.