"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.

"The U.S. Fish and Wildlife Service (FWS) did not provide an opinion on the majority of consultation requests reviewed by the Government Accountability Office (GAO), despite a requirement in the Coastal Barrier Resources Act (CBRA), according to a report released Wednesday by the GAO."

"They’ve been buried — alive — for 17 years. And now, Brood X, one of the world’s largest swarms of giant fly-like bugs called cicadas, is ready to rise. When the ground warms to 64 degrees, they’ll stop gnawing on tree roots and start scratching toward the surface by the hundreds of billions."

"The Biden administration voided a Trump-era legal opinion Monday regarding migratory birds and protections that have been in place for over a century."

"Payments for dead wolves. Unlimited hunting of the animals. Shooting wolves from the air. Wolf hunting policies in some states are taking an aggressive turn, as Republican lawmakers and conservative hunting groups push to curb their numbers and propose tactics shunned by many wildlife managers."

"The varied, and beautiful, butterfly species that dot the US west are being cut down by the climate crisis, new research has found, with rising temperatures helping cause a steep decline in butterfly numbers over the past 40 years."