"Climate change has narrowed the range where bumblebees are found in North America and Europe in recent decades, according to a study published Thursday."

"MINIDOKA, Idaho -- Invasive cheatgrass is overtaking native plants, priming this semiarid desert for fiercer and more frequent wildfires. The big loser in this ecological coup occurring throughout the Great Basin: the greater sage grouse."

"This Montana cattle ranch is trying to ensure its operations benefit wildlife—and yes, that means wolves, too."

"The din created by thousands of nesting birds is usually the first thing you notice about Seahorse Key, a 150-acre mangrove-covered dune off Florida's Gulf Coast. But in May, the key fell eerily quiet all at once."

"In Florida, the official state animal triggers mixed feelings. The Florida panther has been on the endangered species list for nearly 50 years. From a low point in the 1970s when there were only about 20 panthers in the wild, the species has rebounded."

"A coalition of environmental groups filed a lawsuit on Thursday against U.S. wildlife officials arguing that the government's management plan for the endangered Mexican gray wolf, one of the most imperiled mammals in North America, does not go far enough."

"U.S. wildlife managers released on Thursday a draft plan for stemming the decline of polar bears threatened by melting Arctic sea ice linked to global warming, but the proposal hinges on reductions in greenhouse gas emissions that are far from assured."

"The Fish and Wildlife Service (FWS) said Tuesday that it will not reclassify the gray wolf under the Endangered Species Act."

"Imperiled polar bears will see a population crash in most parts of the Arctic Ocean if global greenhouse gas emissions continue at current rates, causing accelerated melting of the sea ice the bruins depend on for survival, U.S. scientists said on Wednesday."