Just hanging around

Male Brown throated three toed sloth - Parque Nacional Manuel Antonio, Costa Rica. The brown throated tree sloth is primarily aboreal, returning to the ground once a week to defecate in a hole that it digs with its tail. It has a slow metabolism and spends much of its time hanging upside down from the trees. Its front legs are longer than its hind legs. Its outer layer of fur is very coarse and stiff and overlays a much softer layer of dense under-fur. The hairs of the outer layer of fur have numerous microscopic cracks across their surface in which algae lives. This accounts for the green tint when viewed up close.

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