Evolution photos

« 1 2 3 4 5 6 7 8 9 10 11 12 »

Alder regrowth after flood (Alnus maritima in Oklahoma)

A bird eating a parasite from a giant tortoise

The guano ring

The bulldozed prairie

Colorado krummholz

Rocky Mountain tundra

Startling a predator

Whitebark pine cone

Evolutionary convergence of puncture vine and sandbur grass

A bush that grows in Death Valley

A tiny spring wildflower in the desert (Mimulus bigelovii)

Slothful adaptation

An oak gall

Crab spider awaiting a meal

Spider mommy

« previous | next »

Print Photos | View Full-Size Image

Slothful adaptation

Sloths eat toxic leaves that have little food value. Their adaptation for dealing with this is to simply not do very much. Photograph by Stanley A. Rice. Appears in Encyclopedia of Biodiversity.