Oregon's famous wandering wolf, OR-7, is now officially the leader of his own pack.
He's trailed them and photographed them, mapped their family trees and counted their offspring, coming to identify individuals by their markings, sometimes even ascribing personalities based on behavior.
For scientist Tierra Curry, the monarch butterfly is part of the American experience.
Long trip, sad ending. A 3-year-old female gray wolf, after traveling more than 500 miles from Wyoming, was shot and killed in southwestern Utah after a hunter apparently mistook her for a coyote, state officials said Monday.
The National Marine Fisheries Services has decided not to grant federal protection to the pinto abalone, a prized six-inch sea snail whose population has severely declined in Northern California.
Loggers cutting down forests burned in wildfires could bring about the extinction of California spotted owls, wildlife advocates said Tuesday as they sought protection for the birds under the federal Endangered Species Act.
(AP)—U.S. wildlife officials will decide next year whether a wide-ranging Western bird species needs protections even though Congress has blocked such protections from taking effect, Interior Secretary Sally Jewell said ...
Congress is poised to make an end-run around the Endangered Species Act with a legislative rider on a massive spending bill that would delay protections for several struggling bird populations in the Western U.S.
A rust-colored shorebird known for a nearly 20,000-mile migration will now receive federal protection, setting the stage for states to coordinate preservation plans for the dwindling species.
The persistence of an already rare aquatic insect, the western glacier stonefly, is being imperiled by the loss of glaciers and increased stream temperatures due to climate warming in mountain ecosystems, according to a new ...