Told from male Cassin’s finch by brown cap and eyebrow and curved bill. Other tell-tale differences between the species include the Cassin’s pink cheek and pinkish tone on its back ...
House finches and purple finches are both small birds which are native to North America. Both species have stunning red and ...
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 ...
Common and hoary redpolls are 2 closely related finches of the boreal forest and Arctic tundra scrub. The common is the more widespread species of ... The upperparts are brown with distinct ...