"Once pushed to the brink of extinction, condors are soaring in Northern California skies again with the help of an Indigenous tribe and a team of scientists."

"Across Appalachia, scientists and foresters are trying to reintroduce a hybrid version, helping to revive damaged land while also bringing back a beloved tree."

"A bay-breasted warbler weighs about the same as four pennies, but twice a year makes an extraordinary journey. The tiny songbird flies nearly 4,000 miles (6,437 kilometers) between Canada’s spruce forests and its wintering grounds in northern South America."

"To save endangered eels, researchers have been working for decades to figure out where they reproduce."

"German cities are turning off some lights at night, which not only saves money and electricity but benefits human health, the climate and biodiversity."

"A soaring bald eagle is spellbinding. A growling grizzly is awe-inspiring. A swimming hellbender? You might not be able to picture that one."

"Southwest of Sacramento, California, the branching arms of waterways reach into a patchwork of farm fields and pastures. Canals and wetlands fringed with reeds meet a sunbaked expanse of dry meadows."

"A group of conservationists are seeking to get a tiny rare Nevada springsnail listed as an endangered or threatened species, arguing that the species is threatened by a planned lithium mine in Thacker Pass."

"A bottlenose dolphin found dead in a Florida canal this past spring tested positive for a highly virulent strain of bird flu, scientists said on Wednesday. The announcement came a week after Swedish officials reported that they had found the same type of avian influenza in a stranded porpoise."