In the dense mangroves of Isla Escudo de Veraguas, a small island off the coast of Panama, resides one of the world’s most ...

The pygmy three-toed sloth requires rapid action from the Panamanian government if it is to survive. Photo courtesy of Bryson Voirin. Larger view of the world’s smallest sloth.

An adult pygmy three-toed sloth weighs between 5.5 and 7.7 pounds and measures 19 to 21 inches in length. Their external ear canals are conspicuously large. These features are thought to be indicative ...

Although many mistake them for monkeys or even bears, sloths are not primates, much less carnivores. These slow-moving, ...

Washington, DC—The US Fish and Wildlife Service (USFWS) has proposed listing the pygmy three-toed sloth under the Endangered Species Act in response to a 2013 emergency petition filed by the Animal ...

The Critically Endangered pygmy three-toed sloth is endemic to a small island off the coast of Panama. Photo courtesy of Bryson Voirin. The world’s smallest sloth is threatened by human ...

Explore 15 wild animals that are rarely seen and often live in remote or protected habitats. These extraordinary species, ...

A rare pygmy three-toed sloth stirred an international controversy after officials of the Dallas World Aquarium caught and crated six of the creatures on Isla Escudo de Veraguas, an island off Panama.

WASHINGTON— The U.S. Fish and Wildlife Service today proposed protecting the pygmy three-toed sloth under the Endangered Species Act. The proposal responds to a 2013 petition filed after officials ...

WASHINGTON— The U.S. Fish and Wildlife Service today proposed protecting the pygmy three-toed sloth under the Endangered Species Act. The proposal responds to a 2013 petition filed after officials ...

A Smithsonian scientist found that pygmy sloths wander inland in addition to inhabiting the mangrove fringes of their island refuge. He realized that the population size of the pygmy sloth was ...