The Sloth Blog

A two-toed sloth showing the mouth and face, useful for explaining how sloth teeth suit a leafy diet

Why Sloth Teeth Keep Growing Their Whole Lives

Sloth teeth are not built like ours. They grow continuously, wear down on tough leaves, and help explain why these quiet rainforest animals eat so slowly.

Why Sloth Teeth Keep Growing Their Whole Lives

Sloth teeth are not built like ours. They grow continuously, wear down on tough leaves, and help explain why these quiet rainforest animals eat so slowly.

A baby Hoffmann two-toed sloth in Costa Rica, showing the young animals that careful rehabilitation aims to return to wild life

How Orphaned Sloths Learn Their Way Back to the...

Orphaned sloths are not simply cuddly rescue stories. Good rehabilitation is slow, careful and focused on helping wild animals return to the rainforest where they belong.

How Orphaned Sloths Learn Their Way Back to the...

Orphaned sloths are not simply cuddly rescue stories. Good rehabilitation is slow, careful and focused on helping wild animals return to the rainforest where they belong.

Megatherium giant ground sloth skeleton displayed in a museum, showing the huge extinct relatives of modern sloths

The Giant Ground Sloths That Came Before Today’...

Today’s tree sloths are small, quiet canopy specialists, but their family tree once included bear-sized and elephant-sized ground sloths. Their fossils tell a brilliant story about habitat, climate and adaptation.

The Giant Ground Sloths That Came Before Today’...

Today’s tree sloths are small, quiet canopy specialists, but their family tree once included bear-sized and elephant-sized ground sloths. Their fossils tell a brilliant story about habitat, climate and adaptation.

A three-toed sloth gripping a tree branch with long curved claws

Why Sloth Claws Are Perfect Hooks for a Life in...

Sloth claws are not just long nails. They are strong hooks that help sloths hang, feed, sleep, climb and save energy high in the rainforest canopy.

Why Sloth Claws Are Perfect Hooks for a Life in...

Sloth claws are not just long nails. They are strong hooks that help sloths hang, feed, sleep, climb and save energy high in the rainforest canopy.

A Hoffmann two-toed sloth resting in rainforest foliage

How Sloths Find a Mate Without Rushing the Rain...

Sloth courtship is rarely seen, but it is not boring. Calls, scent signals, patient timing and quick mating all fit a slow life in the canopy.

How Sloths Find a Mate Without Rushing the Rain...

Sloth courtship is rarely seen, but it is not boring. Calls, scent signals, patient timing and quick mating all fit a slow life in the canopy.

Close-up of a brown-throated three-toed sloth face, showing the head and neck that help sloths scan the canopy

Why Three-Toed Sloths Can Turn Their Heads So Far

Three-toed sloths can look around without moving much of their body. Their unusual neck bones are another quiet adaptation for a slow, low-energy life in the trees.

Why Three-Toed Sloths Can Turn Their Heads So Far

Three-toed sloths can look around without moving much of their body. Their unusual neck bones are another quiet adaptation for a slow, low-energy life in the trees.