A nutria is given a shot to put it to sleep while the collar is measured. Tagging the animals will help biologists to better understand the nutria as well as prevent their spreading.
Midway Atoll National Wildlife Refuge is host to the largest remaining colony of albatross in the world. The colony can include more than 500,000 nests on a given year. This image shows typical nest density in areas without the invasive plant,...
Captured gray wolf in pen - as part of the effort to restore gray wolf populations in the United States to self-sustaining levels, and remove the species from the endangered species list, wild wolves were captured in Canada, given health...
