The Finch Forecast sees pine siskins moving as far south as the Mid-Atlantic, and things also look promising for common ...

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 ...

The reason why the find is important to science is because this represents the first empirical observance of an animal undergoing speciation. The find has come about after biologists have been ...

A Purple Finch in the middle of molting makes for a strange picture but is an essential part of the bird's life.

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 ...

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 ...

Despite the traditional view that species do not exchange genes by hybridisation, recent studies show that gene flow between closely related species is more common than previously thought. A team of ...

Researchers have discovered a new species of finch whose pristine habitat in eastern Venezuela is threatened by a hydroelectric dam project. Only three of the birds were found by Miguel Lentino and ...

Cuckoos sneak their eggs into other birds’ nests and copy egg colors to avoid detection. This study explains how they adjust to many hosts.