Seven people have been charged with smuggling bladders from an endangered fish in what authorities said Wednesday may be a growing international practice in which the bladders are sold for up to $20,000 each to be used in a highly desired soup.

For the first time, federal biologists are assessing whether illegal marijuana gardens in the back woods of the West could threaten the extinction of a wild animal.

Western snowy plovers - those little birds that scoot along the sand at the coast - will begin nesting soon and that means you'll need to steer clear and give them some space.

As long as wolves have been making their comeback, biologists and ranchers have had a decidedly Old West option for dealing with those that develop a taste for beef: Shoot to kill. But for the past year, Oregon has been a "wolf-safe" zone.

The number of gray wolves in Washington nearly doubled in the past year, according to a new survey released Friday by the state Department of Fish and Wildlife.

The tenacious wolverine, a snow-loving carnivore sometimes called the "mountain devil," could soon join the list of species threatened by climate change.

Two endangered sea turtles found on Oregon beaches Monday are now in the care of rehabilitation specialists at the Oregon Coast Aquarium.

“We’re all delighted at the arrival of Rose-Tu’s new calf,” said Kim Smith, Oregon Zoo director. “The calf is beautiful, healthy, tall and very vigorous."

The last building block of the Obama administration's strategy unveiled Wednesday to keep the northern spotted owl from extinction nearly doubles the amount of Northwest national forest land dedicated to protecting the bird by the Bush administration four years ago.

A wolf pack preying on cattle in northeast Washington prompted a huge effort by the state Department of Fish and Wildlife to wipe out the pack, less than a year after adopting a plan to recover wolf populations in the state.

Before the last batch of pupae were sent to their new beachfront home, Oregon Zoo photographer Michael Durham captured what is believed to be the first-ever time-lapse video of a critical moment in the silverspot’s transformation.