In the winter, cardinals are known to frequent feeders and forage with mixed flocks of dark-eyed juncos, American tree sparrows, purple finches and rufous-sided towhees, per the Indiana DNR.

Something looked a little off at the birdfeeders. I get more house finches at my feeders than I can count, but as I entered the living room and glanced out ...

Roger Tory Peterson described them as sparrows dipped in raspberry juice. What a wonderful image of a purple finch, which is ...

Natural selection at its most powerful winnowed certain finches harshly during a severe drought in 1977. That year, the vegetation withered. Seeds of all kinds were scarce. The small, soft ones ...

House finches, such as this adult male, can be common visitors to hummingbird feeders. By Gary Phillips For The Sun News The bird-breeding season continues in our area, although some species are ...

She lacks the distinct pale eyebrow found on the male. Identifying the male and female house from other Carpodacus finches requires care. The male house differs from the male purple finch not only ...

Highly sexually dimorphic with males pink and females brown. Generally lighter pink than other Haemorhous finches, with distinctive fine streaking on the undertail coverts. Male: a bright pinkish ...

How do you know that finches' beak depth is heritable? You can see from Figure 2 that there is a correlation between the parents' and offsprings' beak size. How did the finch population change ...

Australian finches' bill colors come from small genetic variations affecting how they process dietary pigments.

Fall leaves get a warm welcome from Christie Hunt. The River Forest, Illinois, resident rakes them into her flower beds, ...

What gives an Australian finch its brilliantly colored red, yellow or orange bill? A major new study has uncovered the ...

Scientists simulated how drought conditions could change the song of Darwin’s medium ground finches by digitally modifying recordings to mimic what would happen as their beaks grew larger over ...