"On 'good' bad days, the shells lay open at the bottom of the river, shimmering in the refracted sunlight. Their insides, pearl white and picked clean of flesh, flicker against the dark riverbed like a beacon, alerting the world above to a problem below."

"The rate of listing new endangered and threatened species has slowed under the Trump administration, a trend that highlights an administrative push to shrink the number of animals ultimately placed on the endangered species list."

"Since 1978, researchers have scooped up and measured tens of thousands of birds that died after crashing into buildings in Chicago during spring and fall migrations. Their work has documented what might be called the incredible shrinking bird."

"Invasive species — everything from rats to Burmese pythons — have spread to more than half of national parks, according to new research published this week, which also offers suggestions for stopping non-native animals while safeguarding native species into the future."

"The seeds of more than 370 wild crop species have been collected as part of a six-year Indiana Jones-style mission to widen the gene pool of staple crops and ensure future global food security in increasingly unpredictable growing conditions."

"Rodney Bartgis crouched down, slowly turning over rocks in search of the elusive Cheat Mountain salamander on Central West Virginia's Gaudineer Knob."

"The Trump administration announced a plan Thursday that could allow oil drilling on over three-quarters of the nation’s largest piece of unprotected wilderness, overhauling a 2013 plan that limited development on the Alaskan reserve."

"A bill that would reinstate a regulation banning certain pesticides from wildlife refuges was approved by the House Committee on Natural Resources on Nov. 20."

"The climate crisis is poised to deliver a severe blow to America’s most threatened animals, with a new study finding that almost every species considered endangered is vulnerable in some way to global heating."