"Environmental groups have filed a lawsuit seeking to preserve protections for 3.4 million acres (1.4 million hectares) of northern spotted owl habitat from the US-Canada border to northern California, the latest salvo in a legal battle over logging in federal old-growth forests that are key nesting grounds for the imperiled species."

"African elephants living in forests and savannas are increasingly threatened with extinction, the Red List of species in trouble showed on Thursday, as conservationists called for an urgent end to poaching."

"The number of bald eagles — a species that once came dangerously close to extinction in the United States — has more than quadrupled over the last dozen years despite massive declines in overall bird populations, government scientists announced Tuesday."

"The Supreme Court has declined to hear a challenge to former President Obama’s designation of a national monument 130 miles off the coast of Cape Cod, Mass."

"Florida's promoters like to sing its superlatives — best beaches, prettiest sunsets, perfect climate (except for the occasional hurricane). But there's a No. 1 distinction the boosters never mention. Florida is infested with more exotic and invasive species than any other state and perhaps, some say, than anywhere else in the world."

"Male songbirds usually learn their tunes from adult mentors. But when aspiring crooners lack proper role models, they hit all the wrong notes — and have less success attracting mates."

"Once on the verge of extinction, the rarest subspecies of the gray wolf in North America has seen its population nearly double over the last five years, with more gains being reported in 2020, U.S. wildlife managers said Friday."

"A hectare of this ancient, delicate plant can soak up 15 times more carbon dioxide every year than a similar sized piece of the Amazon rainforest. But this global treasure is now under extreme pressure from tourists, from development and ironically from climate change."

"Balls of moss commonly found in aquariums are threatening to push the zebra mussel invasion further across the U.S., wildlife officials are warning. Contaminated moss balls have been found in pet stores in 21 states in recent weeks, and both officials and the pet supply industry are scrambling to contain the problem before it’s too late."

"A warming world means an invasive grass is threatening the famous saguaro
Cactuses cover a hillside in Saguaro National Park in Arizona."

"TUCSON — The giant saguaro, an icon of the American West, is beloved in this state. Arms raised in a perpetual “hello there,” the saguaro covers the desert wilderness and thrives in cities. Its silhouette appears in fine art and on restaurant walls; businesses and schools carry its name. Arizona state law protects the plant, and it is revered by the native Tohono O’odham tribe.