Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies being fed. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies held by orphanage owner, Judy Avey-Arroyo. Aviarios del Caribe Sloth Refuge, Costa Ric...

Luiz Claudio Marigo / People taking photographs of a Brown-throated Three-toed Sloth (Bradypus variegatus) in Parque Centenario, downtown Cartagena de Indias city, Magdalena Department, Colombia, February 2011.

Michael Pitts / Looking up at Three toed / Pale throated sloth {Bradypus tridactylus} swimming across mangrove channel, South America

Ingo Arndt / Brown-throated Three-toed Sloth (Bradypus variegatus) hanging in tree, Amazon, Peru

Staffan Widstrand / Brownthroated / Three-toed sloth carrying young {Bradypus variegatus} Brazil.

Michael & Patricia Fogden / Brown-throated Three-toed Sloth (Bradypus variegatus) female and baby, rainforest, Panama

Michael & Patricia Fogden / Brown-throated Three-toed Sloth (Bradypus variegatus) female asleep in Cecropia tree, rainforest, Panama

Michael & Patricia Fogden / Brown-throated Three-toed Sloth (Bradypus variegatus) male sunbathing, rainforest, Panama

Michael & Patricia Fogden / Brown-throated Three-toed Sloth (Bradypus variegatus) female in rainforest, Panama

Gerry Ellis / Pale-throated Three-toed Sloth (Bradypus tridactylus) clinging to tree in tropical rainforest, Brazil

Pete Oxford / Brown throated three toed sloth {Bradypus variegatus} climbing tree. Amazon, Brazil