When can you start training a puppy? Why is the internet obsessed with Pesto the penguin? Time to test your baby animal ...

This story appears in the March 2012 issue of National Geographic magazine ... His thoughts flew to Basta, a pregnant black rhinoceros, and her two-year-old calf. That afternoon one of his ...

While poop is decidedly not on the menu for us humans, it’s a normal food for many animals. In one study ... red foxes in Scotland’s Cairngorms National Park frequently consume the feces ...

Cary Wolinsky and Bob Caputo have a combined 64 years of experience photographing stories for National Geographic and other ... backyard—is patience. Wild animals are going to do what they ...

Hygiene and ritual marked every moment of life for pregnant Aztec women ... story appears in the January/February 2017 issue of National Geographic History magazine. Where do babies come from?

At 22 months, elephant pregnancy is the longest gestation known for any animal. As with savanna elephants, African forest elephants are very slow reproducers, raising new calves only every three ...

If caught on land, these animals have no chance to evade predators, such as big cats, and must try to defend themselves by clawing and biting. Though they couldn't be clumsier on land, sloths are ...

This story appears in the August 2016 issue of National Geographic magazine ... down low in the grass to get a closer look at the animal lurching toward me. She’s about four months old, the ...

This story appears in the January 2012 issue of National Geographic ... Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic ...

Although swollen feet are common during pregnancy, they can also be a symptom of something dangerous like blood clots or infections, says Jasmine Pedroso, national gynecology lead at the fertility ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

In the cold of March, villagers provide food and warmth to semi-feral horses like this pregnant mare ... appears in the March 2018 issue of National Geographic magazine. Fairy tales can come ...