The brown-throated sloth is the most widespread species in Brazil. This sluggard of the rainforest uses its three curved claws on its hands and feet to clutch onto tree limbs and often suspends upside down. An adult can measure up to 31 inches and weigh 14 pounds. They sleep 15 to 18 hours a day. When awake, their pace is very slow. This sloth’s coarse, wet guard hair attracts algae and fungal flora. This combination provides the mammal with camouflage from predators.