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Yellowstone National Park gray wolf

For Dog Appreciation Month: The Origin of Domestic Dogs

4/19/2011 // By Roger Di Silvestro

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 >

Frog in Costa Rica by Lise U. Chase

National Frog Month: 6 Ways to Tell If You Are a Frog

4/1/2011 // By Roger Di Silvestro

  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 >

In southwestern Virginia, redbuds bloom in spring

5 Ways to Tell Spring Has Arrived

3/17/2011 // By Roger Di Silvestro

National Wildlife Federation Conservation Hall of Fame honoree Henry David Thoreau wrote in his journal on March 17, 1857, “No mortal is alert enough to be present at the first dawn of spring.” How right he was, given that the […] Read more >

Moonrise Homer Alaska 311203 Doug Kaufman

Wake Up!! Sleep Secrets from the Animal Kingdom

3/7/2011 // By Roger Di Silvestro

Wake up!  We’re in the middle of National Sleep Awareness Week (March 3-9)!  This is no time to be dozing!  But it is a perfect time to take a look and some of the things we’ve learned about sleep from […] Read more >

Polar bear

International Polar Bear Day: 13 Things You May Not Know about Polar Bears

2/22/2011 // By Roger Di Silvestro

In honor of International Polar Bear Day, which falls each year on February 27th, here are a few things about the celebrated bruin that may amaze and amuse you: The polar bear rivals the Alaska brown bear as the world’s […] Read more >

Alaska Brown Bear on Admiralty Island by April Carpenter

President’s Day: How Animals Lead

2/16/2011 // By Roger Di Silvestro

President’s Day weekend was set aside to honor the memory of our first president, George Washington,  celebrating his skillful leadership at the dawn of our history as a nation. Leadership and hierarchies seem to come naturally to humans, helping to […] Read more >

giraffe, Tanzania, Africa

Valentine’s Day: Some Animals Really Have Heart

2/8/2011 // By Roger Di Silvestro

Valentine’s Day is the traditional holiday for giving away hearts. But how does a healthy human heart—a hollow ball of muscle about the size of a clenched fist that beats around 72 times a minute when at rest, pumping the […] Read more >

Gray wolf

Changing Times for the Gray Wolf

1/27/2011 // By Roger Di Silvestro

Political, social and cultural progress on conservation issues are often slow in arriving, but when seen from atop the arc of time, the progress conservationists have made on some issues is just amazing. Below are comments that reflect how attitudes […] Read more >

Children playing in the outdoors

10 Ways NWF Has Helped Your Children

1/20/2011 // By Roger Di Silvestro

This year, NWF celebrates the 75th anniversary of its founding as a coalition of conservation groups seeking to make the nation safer for wildlife and wild places. NWF focused early on the need to educate America’s future generations about conservation. […] Read more >

Ground Hog

10 Things You May Not Know About Groundhogs

1/13/2011 // By Roger Di Silvestro

The groundhog, also known as the woodchuck or the mouse bear (because it looks like a miniature bear when sitting upright), first won its reputation as a weather prognosticator in 1886, when the editor of western Pennsylvania’s Punxsutawney Spirit newspaper, […] Read more >