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Trumpeter swans were once thought to be extinct in the continental US. At least until a flock was found in Yellowstone, making the region a big reason for the iconic bird’s rebound.

When apex predators like wolves are removed and then reintroduced - does the ecosystem bounce back? That’s the subject of new research from Colorado State University. We look at what it could mean for Colorado, the recent site of wolf reintroduction, today on In The NoCo.

The Montana Legislature has passed a bill that would loosen regulations around killing grizzlies in Montana, and it's headed to the governor's desk. It's already legal in Montana to kill a grizzly in self-defense or if the bear is "in the act" of killing livestock. The new bill would allow a grizzly to be harmed or killed if a bear is "threatening" livestock.

Critics of wolf reintroduction in the Mountain West say the canine is the biggest threat to elk, but a new study says that’s not necessarily true.

Zebra and quagga mussels can devastate an ecosystem, and Yellowstone National Park is doing everything it can to keep them out. Most recently, that...

A group of wildlife advocates is suing the federal government, saying they need to have more of a role in helping to prevent grizzly bear deaths on...

A coalition of conservationists is petitioning Idaho and Wyoming to make hunters carry bear spray when they’re within the Yellowstone ecosystem.

Eleven grizzly bears in the Greater Yellowstone ecosystem have been euthanized since the beginning of September in a "particularly bad month" for grizzly…