"Efforts to control brucellosis in cattle around Yellowstone National Park may be focusing on the wrong wildlife suspects, according to new DNA research on the disease."

"A dramatic decline in Europe's salamander population has motivated the US to halt the import and trade of hundreds of salamander species this year and study the health of amphibian communities around the country for signs of disease."

"Instead of killing animals, our packing design will provide them with food, explains Saltwater Brewery co-founder Chris Gove of his company’s biodegradable, edible beer pack rings."

"Andrew Herrington slips on a battered green backpack, stashes a .308 bolt-action rifle under his arm and steps off a boat onto the steep, rocky shores of Great Smoky Mountains National Park."

"The world’s smallest porpoise, the vaquita, is slipping closer to extinction despite the Mexican Navy’s efforts to protect it and its habitat from illegal fishing, experts have warned."

"Yellowstone National Park managers on Monday warned visitors to leave wildlife alone after two tourists put a newborn bison calf in their car, touching off a string of events that led to the animal's death."

"As Donald Trump seeks to win over skeptical Republicans on Capitol Hill and fence-sitting voters, he seems to have wooed one important voting bloc: sportsmen."

"A U.S. government plan to lift Endangered Species Act protection of the grizzly bear in and around Yellowstone National Park drew a torrent of criticism from environmentalists and Indian tribes as the public comment period for the proposal came to a close on Wednesday."

"Seven Native American tribes in Oklahoma will provide habitat and food on their lands for monarch butterflies, whose numbers have plummeted in recent years due to troubles along their lengthy migration route."

"Under the threat of another legal battle, the U.S. Bureau of Land Management has pulled the plug on a public-private partnership in northern Nevada aimed at shrinking the size of a wild horse herd through the use of contraceptives, according to documents The Associated Press obtained on Tuesday."