Several Javan rhinos, one of the world's rarest large mammals, were filmed recently by remote-sensing cameras in Indonesia. The footage gives new insights about the elusive beast. Jorge Ribas reports.
The angle of a surface - not its slipperiness - triggers when geckos turn on their superhero-like ability to walk on walls and ceilings, a new study finds. Jorge Ribas reports.
Jorge Ribas is knee-deep in the Arkansas swamp, looking for the Ivory-billed Woodpecker, a bird long considered the Holy Grail of bird watchers and ornithologists.
Four lion cubs at the National Zoo took a swim test to find out if the animals could climb out of the moat around the lion habitat if they happen to fall in. The test is part of the zoo's larger efforts to build a lion pride.
A pair of endangered wattled cranes at the Smithsonian's National Zoo recently became parents. Jorge Ribas takes a closer look at the rare hatchling, the first ever born at the zoo. Originally filmed in March 2008.
At more than five feet long, the Japanese Giant Salamander is one of the largest amphibians in the world. At the Smithsonian's National Zoo, biologists hope to breed the animals for the first time outside of Japan.
A curious baby gets a look inside a lion's mouth, with a thick piece of glass safely separating them. But was the lioness really looking for a snack, or just being playful? Jorge Ribas finds out.
The difference between dogs and cats just widened, as scientists have found that the two animals drink liquids using entirely different methods. Dogs use a plunk and scoop method while cats delicately lap liquids with only the tip.
Looking more like a dead leaf than a stick, the Giant Prickly Stick Insect is a master of camouflage. Jorge Ribas visits the Smithsonian's National Zoo to see the huge bug up close.
Mei Xiang, the Smithsonian's National Zoo's female giant panda, gets her weekly ultrasound, as vets continue to monitor whether she's pregnant with her second cub. Jorge Ribas sits in on doctor visit.
Climate change could wipe out critical tiger habitat in India and Bangladesh by 2070, the World Wildlife Fund says in a new study. Jorge Ribas reports.
A family of endangered Sumatran tigers walk past and inspect a camera trap set in the Bukit Tigapuluh National Park in Sumatra. The female and her two cubs give hope to WWF efforts to save the big cats. Produced by Jorge Ribas.
Babies are cute. Even cuter? A baby that laughs hysterically while his father tears up pieces of paper. But just what is so funny about it? Jorge Ribas finds out.
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