Discover strange facts about sloths: two-toed and three-toed sloths, their algae-covered fur, ultra-slow metabolism, weekly bathroom trips, and rainforest...

Sloths move at 0.24 km/h and spend 90% of their lives motionless. Expert guide to why evolution favored extreme slowness and how sloths survive it.

Everything about the brown-throated three-toed sloth: anatomy, the algae ecosystem in its fur, weekly defecation descent, upside-down physiology, lifespan, conservation, and the strange facts that make Bradypus variegatus the slowest mammal on Earth.