Size Matters: Narwhals With Longer Tusks Have Bigger Testicles

Narwhals grow long tusks, if they have the balls to do it. The spear at the end of the male sea unicorn has been variously thought to be a sensory organ, a device for battling other males, or an elaborate reproductive signal. New evidence shows they're the whale version of peacock feathers. » 9/22/14 8:04pm 9/22/14 8:04pm

Camera Traps Capture "Fantastically Bizarre" Animal Hitchhiking

Earlier this month, conservationists working in South Africa's Hluhluwe-iMfolozi Park were very suprised when they reviewed photos snapped by their camera trap. Images revealed a mongoose-like genet hitch-hiking on the backs of at least two different species of animals — behavior never seen in the mammal. » 9/18/14 4:40pm 9/18/14 4:40pm

Ancient Egyptian Art Contains The Records of Past Extinctions

Six thousand years ago, the Egyptian wilderness was a very different place. Lions ruled, zebras gathered in large herds, giraffes foraged from tall trees. We know that, in part, thanks to drawings on the walls of ancient Egyptian tombs. Can ancient art help us better understand modern Egyptian wildlife? » 9/09/14 4:22pm 9/09/14 4:22pm

Cockatoos Learn To Make Tools By Watching Their Friends

More than fifty years ago, humans were pretty well convinced that they were special, different from the rest of the animal kingdom. That all changed in 1964 when Jane Goodall reported her observations of tool use in chimpanzees. Now we have evidence that Goffin's cockatoos, parrots that don't use tools in the wild,… » 9/03/14 5:23pm 9/03/14 5:23pm

This Is What The Rattlesnake "Combat Dance" Looks Like

Southern Pacific Rattlesnakes are a common sight in the forests and hiking trails in Southern California, so it was no surprise that a group of mountain bikers - who were also National Park Service volunteers - came across a pair of the rattlers last week. They were, however, treated to a unique bit of snake behavior. » 8/17/14 10:34am 8/17/14 10:34am