Counting Sheep By Paul Tolmé
Conservation efforts seem to be paying off for bighorns in the West, where the animals face a range of threats from disease to habitat loss to global warming
Restoring Rare Beauties By Heather Millar
From coast to coast, dozens of U.S. butterflies are in trouble, inspiring a host of efforts to protect the beloved insects
Unexpected Wildlife
Across the country, some of the best opportunities to view birds and other wild creatures can occur in rather unlikely places; consider these four locations
Robot to the Rescue By Jim Morrison
In a study of how oil and gas drilling affect breeding sage-grouse, a biologist relies on insights from a mechanical bird
Tasmania's Devil of a Problem By Wendee Holtcamp
The world’s most famous marsupial predator may face extinction within 15 years from a contagious cancer
Borneo's Wild Gliders By Tim Laman
From snakes and frogs to giant squirrels, this Southeast Asian island is home to a greater variety of flying animals than any other place on Earth
Ready for Takeoff Photograph by Jan Vermeer
A fledgling glaucous gull strengthens its wings in preparation for its first flight, while a parent looks on