Researchers are trying to figure out what cows are saying to each other — and us. Often, it seems that cows moo to communicate that something is wrong, or different.
In the spring of 2015, a snowy owl named Baltimore was fitted with a backpack GPS transmitter. The data that transmitter collected over the past year shines a light on a mysterious species.
Researchers found that dogs responded more slowly when volunteers expressed negative emotions — like frowny faces, harsh tones and creased brows — while pointing to treats.
International trade of rhino horns is still banned, though illicit trade continues. South Africa has the world's largest rhino population; more than 1,000 were killed by poachers last year.
"We have begun to seriously worry," leader Ramzan Kadyrov tells his 1.8 million Instagram followers. He's known for ruling the Russian republic with an iron fist and stiffing dissent.
Three crocodiles captured near Miami in 2009, 2011 and 2014 are indeed Nile crocodiles. They are bigger and far more aggressive than the American crocodiles that are native to the Florida Everglades.
Chinese newspapers have reported that 11-year-old Tuan Tuan died of distemper. Not so, the Taipei Zoo says — releasing photos of the panda, complete with recent newspapers, as evidence.
Deep in the world's largest mangrove forest, which spans India's border with Bangladesh, rangers protect wild Bengal tigers. Rising seas may have rangers and tigers competing for a place to live.