However, hidden among the islands’ ancient tortoises and aquatic iguanas, a more sinister animal roams with a taste for blood. As you’ll see in the above video, the vampire ground finch is one ...

Along with purple and house finches, Cassin’s finches fall under the genus Haemorhous, with haemo being a reference to the blood red coloration of the group and orrhos meaning “rump.” ...

On various islands, finch species have become adapted for different diets: seeds, insects, flowers, the blood of seabirds, and leaves. The ancestral finch was a ground-dwelling, seed-eating finch.

They drink the blood of larger birds, such as the Nazca and red-footed boobies, to supplement their diet when food is scarce ...