The nest, constructed by the female, may be placed in a variety of locations ranging
from tree cavities to the vines attached to the side of a building. From 2 to 6 eggs are
incubated by the female and hatch in about two weeks. Both parents care for the young.
More than one brood may be raised in a breeding season. The rump of the adult male is also
colored yellowish to bright red.
The Bird Banding Lab web site reports that between 1955 to 1997, a total of 780,571 House Finches were banded. Of these, 9,779 have
been recovered, a recovery rate of 1.25%.
Banding studies show that birds may live up to 10 years in the wild. They are short
distance migrants with some northerly individuals withdrawing to more southern regions
during the winter, and resident flocks ranging widely over a geographical region. If you
should recover a banded bird, report the band number to the Bird Banding Lab by calling
House Finches are increasing dramatically. They have benefited from back yard bird
feeding. Because of their preference for blossoms, buds, and fruits of wild and cultivated
plants, they can do much economic damage to orchards where large populations occur. In
recent years, House Finch populations have suffered from a contagious bacterial infection
that causes blindness and eventually death. This infection is reported to also spread to
other species, especially goldfinches, and may eventually act to limit populations sizes.
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