"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."

"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."

"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 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 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."

"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."

"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."