Roger Di Silvestro Subscribe to Feed
A Special NWF Thank You to Donors at Thanksgiving
As an employee of the National Wildlife Federation, I recognize that my work depends largely on the kindness of strangers. Nonprofit organizations like NWF rely for survival on donations, and roughly 75 percent of the money donated to nonprofits yearly… Read more >
Meltdown in the Mountains: How Global Warming Threatens Pikas and Other High-Country Critters
Alarm Bells for the Alpine Zone It’s high atop the world’s mountains, where it accounts for less than 5 percent of the Earth’s surface. It’s battered by winds, it’s frigidly cold most of the year, and it is treeless. Ecologists… Read more >
Imperiled Wilderness: Eight Things You Probably Don’t Know about Alaska’s Bristol Bay
The 40,000-square-mile Bristol Bay region of southwest Alaska stretches across pristine tundra and wetlands crisscrossed with rivers that flow into the bay. Up to 40 million sockeye salmon return to this watershed each year—the world’s largest salmon run. In addition… Read more >
Five Things You Should Know About Wildlife Corridors
Beginning in the early 1900s and continuing for much of the 20th century, conservationists focused on protecting core areas for wildlife—biologically diverse habitats designated as wildlife refuges, wilderness areas, parks and other units. But since the 1970s, scientists have learned… Read more >
Three Things to Learn from Bison Conservation
The bison, or American buffalo, roamed the plains and woodlands of North America tens of thousands of years ago. It was a contemporary of saber-toothed cats, woolly mammoths and woolly rhinos but was a better survivor: the bison is the largest… Read more >
Great American Backyard Campout: Seven Things to Do After Dark
That day on which thousands of people across the nation pitch tents and roll out sleeping bags is almost here—National Wildlife Federation’s Great American Backyard Campout, slated this year for June 25. Camping, even for just a night in a… Read more >
National Endangered Species Day: Lest We Forget
Probably the most astonishing wildlife spectacle that ever occurred in American history was the migration of the passenger pigeon, a bird that resembled a larger, more colorful mourning dove, with a bluish back and a rosy breast. Now largely forgotten,… Read more >
For Wildlife Garden Month: Thoreau’s Thoughts on Trees
Here at NWF we are celebrating Garden for Wildlife Month, because May is perfect for making home gardens into wildlife havens. Even if your garden is only a window box, you can find ways to turn it into a stopping… Read more >
For Dog Appreciation Month: The Origin of Domestic Dogs
April is Dog Appreciation Month, a good time for asking where in the wild these four-footed companions originally came from. For many years, scientists interested in canine evolution speculated that some dog breeds descended from wolves and some from jackals… Read more >
National Frog Month: 6 Ways to Tell If You Are a Frog
A concerned reader writes: “I hear that April is National Frog Month, so I would like to know, how do I tell whether I am a frog? And if I am one, can I get some sort of government… Read more >

