"An avian flu outbreak is sweeping across the Midwest at a frightening pace, ravaging chicken and turkey farms and leaving officials stumped about the virus's seemingly unstoppable spread."

"Lung and adrenal lesions found in dead bottlenose dolphins stranded along the Gulf of Mexico between June 2010 and December 2012 are consistent with the types of damage that marine mammals sustain from exposure to petroleum products after an oil spill, according to a new study published on Wednesday by researchers from the National Oceanic and Atmospheric Administration."

"The White House on Tuesday outlined its strategy to restore the nation’s struggling honeybee and monarch butterfly populations to some semblance of health, mostly by expanding the acreage devoted to the wildflowers and milkweed that are crucial to their survival."

"Wrongdoers are profiting from their deadly exploitation of Northwest wildlife, from elk and deer to sturgeon and shellfish. But law enforcement and private citizens are out to stop these crimes against nature."

"There are signs of hope for American salamanders in the face of a potential biological catastrophe — a fungus that could be carried here through the global trade in exotic pets. Federal wildlife officials have signaled a crackdown may be coming on imports of amphibians."

"Conservationists decried a proposal on Monday by U.S. wildlife and marine animal managers to tweak rules tied to the federal Endangered Species Act, saying the plans would place "crippling" impediments to citizens petitioning to save imperiled creatures."

"Reveal has obtained never-before-released data from the U.S. Fish and Wildlife Service showing more than 300 species of migratory birds – from red-tailed hawks to American kestrels, turkey vultures to mallard ducks – have been killed legally across the United States since 2011 to protect a wide range of business activities and public facilities under what’s called the 'depredation permit' program."

"Honey bees, critical agents in the pollination of key U.S. crops, disappeared at a staggering rate over the last year, according to a new government report that comes as regulators, environmentalists and agribusinesses try to reverse the decline."

"Blue whales are vulnerable to cargo ship strikes because they are so used to being the largest animal in the ocean that they often fail to avoid the vessels, a Stanford University biologist has found."

"Native American tribes said on Friday they oppose U.S. government plans to strip grizzly bears in the Yellowstone National Park area of federal safeguards, ultimately opening the way for sport hunting of them in northern Rocky Mountain states."