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.

New research from CU Boulder confirms that there are not, in fact, multiple species of Redpoll Finches, as previously thought For birders struggling to figure out what kind of Redpoll they’re watching ...

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 ...

Many kinds of birds will be frequent visitors to your backyard feeders if you offer them a steady supply of their favorite ...

Mountains both help create new species and subspecies of the rosy finch and keep them distinct, according to new research from CU Boulder Speciation—how species come to be—and how species diverge are ...

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 ...