The world’s largest rodent is often seen as slow and harmless on land, but its behavior changes dramatically in water.

A six-month expedition to the tropical island of New Guinea has led to a remarkable discovery by a young Czech doctoral candidate from the Biology Center of the Czech Academy of Sciences and the ...

Capybaras are some of nature’s most interesting animals, known for their sweet personalities and unique social bonds. Florida’s Clearwater Marine Aquarium knows just how beloved these large rodents ...

NORDELTA, Argentina — Luciano Sampietro lifted a 3-foot aluminum pipe to his lips and blew, sending a blow dart laced with sedatives, muscle relaxers and painkillers toward the world’s largest rodent, ...

A capybara—the world’s largest rodent — is on the loose after escaping from a UK zoo. The public is urged not to approach it. Cinnamon, the capybara, has been on the run for four days since managing ...

Size shapes the way animals move, hunt, and survive. For example, in the ocean, ginormous creatures rely on their massive bodies to travel long distances or ambush prey. On land, there are large ...