The attractive house finch is one of the more common and recognizable species throughout the United States. Originally a “western” species of semiarid environments, it was introduced in the ...

There, at the edge of a pond, was a Poospiza ornata, also known as a cinnamon warbling-finch, named for its spice-colored throat and stripes above its eyes resembling eyebrows, according to a ...

The different finch species on the islands are closely related to each ... The HMS Beagle team collected thousands of specimens of plants and animals during their expedition. Why did they do this?