Roger Di Silvestro’s Archive

April Carpenter photo, Alaska brown bear, bear cub, wishes for wildlife

Making Wishes for Wildlife

Songwriter Harry Nilsson in the late 1960s released “The Puppy Song,” in which he declared that “Dreams are nothing more than wishes, and a wish is just a dream you … Read more

Chipmunk Maine Eric J. Eklund 112662 NWF photo contest 2004

NOT Alvin and the Chipmunks: 10 Facts You May Not Know about the Real Rodents

Christmas time, and our thoughts turn to—chipmunks. Yes, it is odd that a hibernating rodent would become associated with Christmas, but that is the miracle of radio and a hit … Read more

Photo from US Fish and Wildlife Service, Karner Blue Butterfly

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 … 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 … Read more

Alaska brown bear, bristol bay, pebble mine

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 … Read more

Elk in Washington state's Snoqualmie area in a photo by Robert P. Martin

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 … Read more

bison, yellowstone, fort belknap, fort peck, charles m russell national wildlife refuge, saving bison, bison conservation

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 … Read more

NWF, national wildlife federation, great american backyard campout

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 … Read more

karner blue butterfly, endangered butterfly

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 … Read more

redbud, virginia, garden for wildlife month

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, … Read more