Suzi Eszterhas / Pale-throated Three-toed Sloth (Bradypus tridactylus) male hanging in tree, Sloth Island, Guyana

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) mother and three month old young, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) mother and three month old young, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) biologist, Rebecca Cliffe, taking hair samples, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) mother and four month old young, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) four month old baby scratching, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) climbing, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus), Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) swimming in mangrove forest, Isla Escudo de Veraguas, Panama

Suzi Eszterhas / Brown-throated Three-toed Sloth (Bradypus variegatus) mother and baby, Costa Rica

Roland Seitre / Brown-throated Three-toed Sloth (Bradypus variegatus) feeding on leaf, native to Central and South America

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