"BILLINGS, Montana — State officials in the Northern Rockies on Monday lined up against a federal proposal to give new protections to the carnivorous wolverine, as climate change threatens to melt the species' snowy mountain strongholds."

"MISSOULA, Montana -- The U.S. Fish and Wildlife Service is preparing to remove a population of grizzly bears from the Endangered Species Act, under which they are now listed as a threatened species."

"The California condor, the largest bird in North America, was saved from extinction by a captive breeding program that increased its numbers in the wild. But now the condor is facing a new and pernicious threat — the lead from bullets used by game hunters."

"Scientists say that foxes in Arctic regions who feed on ocean prey are being exposed to dangerous levels of mercury."

"The Obama administration has agreed by July 1 to map out areas to protect nesting beaches for endangered loggerhead sea turtles as part of a legal settlement with conservation groups."

"The resilient longhorn, able to survive on sparse foliage and water, has endured in Texas for more than 100 years. But the recent sale of about 100 longhorns by the Texas Parks and Wildlife Department has spurred debate about the breed’s future in the state."

"The world's most widely used insecticide is devastating dragonflies, snails and other water-based species, a groundbreaking Dutch study has revealed."

"The danger that the decline of bees and other pollinators represents to the world’s food supply was highlighted this week when the European Commission decided to ban a class of pesticides suspected of playing a role in so-called 'colony collapse disorder.'"

"After six years of searching, an entomologist has concluded that three varieties of butterflies native to south Florida have become extinct, nearly doubling the number of North American butterflies known to be gone."

""These are unique butterflies to Florida. This is our biological treasure. Each unique species that we lose, we won't ever get that back again," Marc Minno, who conducted the survey for the U.S. Fish and Wildlife Service and the Florida Keys Mosquito Control District, told Reuters on Monday.

"The planned ruling would eliminate protection for the top predators, but scientists and conservationists say the proposal is flawed."

"When Texas promised to protect a threatened lizard in the oil-rich Permian Basin, state officials entrusted the day-to-day oversight to a nonprofit that sounds like an environmental group: the Texas Habitat Conservation Foundation."

"PYRAMID LAKE, Nev. -- For most fishermen a 20-pound trout is a trophy, but for Paiute tribe members and fish biologists here the one Matt Ceccarelli caught was a victory."

"COPEMISH, Mich. — A team led by a nurseryman from northern Michigan and his sons has raced against time for two decades, snipping branches from some of the world's biggest and most durable trees with plans to produce clones that could restore ancient forests and help fight climate change."

"A gluttonous predator is power-eating its way through reefs from New York to Venezuela. It's the lionfish."

"The politics of genetically modified food has created a rift in a policy-setting committee of the influential Academy of Nutrition and Dietetics that demonstrates the difficulty in finding anyone — anywhere — who doesn’t already have an opinion on the issue."