The lure of little guys of the wrong species — plus an invasion of flies — may drive one of Darwin’s finch species toward extinction. Diverse finches that Darwin saw scattered across the Galápagos ...

Using data on four species of Darwin's finches on the Galápagos Islands, researchers led by McGill University have confirmed a long-standing hypothesis that species diversity evolves through ...

There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the islands ...

Winter 2021-22 should not be an irruption year, which would send finch species like the evening grosbeak from the arboreal forests of northern Canada south as far as backyard feeders in Pennsylvania.

To put it simply, volcanoes erupt while bird populations irrupt. An “irruption” is described as “a dramatic, irregular migration of large numbers of birds to an area where they are not typically found ...

New research could ruffle some feathers in the birding world. It finds that Redpolls, a bird found in the Arctic that will sometimes come to the Southern latitudes during the winter and can be hard to ...

More than a dozen species of birds in the Galapagos Islands served as prime experimental subjects for Charles Darwin's ideas about evolution -- and today, "Darwin's finches" still provide examples of ...

Carotenoids are the underlying pigment for much of the enormous variety in color found across birds and form the basis for the colors red, yellow, and orange. In a study published in Current Biology, ...

Spruce trees provide two types of food; cones like this one that contain seeds for birds to eat and needles that caterpillars eat. / BILL DANIELSON / For the Gazette Sign up for the Gazette's morning ...