Trump administration seeks to roll back protections for imperiled species and habitat The Interior Department proposed reviving a suite of changes to Endangered Species Act regulations first made during the Republican's first term. Those changes were reversed under former President Biden. The Associated Press
A bee named Lucifer A scientist in Australia discovered a new species of native bee, which she named Lucifer because it has horns. Many things are unknown about native bees, and it's unclear what purpose the horns serve. Katia Riddle
These sea turtles in India have rebounded after years of patchwork efforts Olive ridley turtle populations appear to have rebounded in India after years of patchwork efforts to stem their decline. Can it last? Diaa Hadid
Why some ant colonies get tricked into killing their own queens For some would-be ant queens, the easiest way to take over a colony is to dupe its worker ants into committing regicide. Nell Greenfieldboyce
All you need to know about West Coast orcas, their distinct diets and habits A study reveals that certain West Coast orcas belong to distinct social groups with different habits and diets. NPR's Scott Simon speaks with ecologist Josh McInnes about how the groups differ. Scott Simon
Scientists pull ancient RNA from a wooly mammoth's body Scientists have extracted the oldest RNA molecules out of a wooly mammoth, gaining a snapshot into the processes at work in the extinct mammal's body just before it died. Ari Daniel
As the avian flu spreads worldwide, it's devastating marine mammal populations The avian flu is devastating marine mammal populations. A new survey finds that nearly half of breeding females in the world's largest population of southern elephant seals were killed by the virus. Nathan Rott
Greetings from the Arctic Circle, where an icebreaker ship drew polar bears' attention Far-Flung Postcards is a weekly series in which NPR's international team shares moments from their lives and work around the world. Jackie Northam
Bird flu safety measures leave 4H kids in California without real chickens In California, the state veterinarian banned chicken shows to limit the spread of bird flu. That left county fairs across the state devoid of chickens — and their 7-year-old 4H caretakers despondent. April Dembosky
The 'lion' on the loose in Ireland that was actually a dog A video suggested that a lion might be on the loose in Ireland. It turned out the "lion" was a dog with a rather unusual haircut. Scott Simon