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 ...
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 ...
New research reveals how parrots and finches develop their extraordinary colours – and shows that evolution is an ongoing ...
What gives an Australian finch its brilliantly colored red, yellow or orange bill? A major new study has uncovered the ...
Leave the Leaves campaigns aim to provide food and shelter for insects at a time when studies show drastic population declines.
"In my very first publication on the finches, back in 2001, I showed that changes in the beaks of Darwin's finches lead to changes in the songs they sing, and I speculated that, because Darwin's ...
Malta has long come under fire for allowing the trapping of protected finches and in September the European Court of Justice ruled that the practice is illegal. BLM said the aim of the campaign is ...