Continental interiors

Grasslands & Steppe

The flat empire. Built grazing mammals, shaped human civilization, fed half the world.

Species

12,000

Plant species

9,000

Endangered

28%

Pressure

Less than 4% of native prairie remains in North America

Surprise of the day

The Mongolian steppe still holds the world's last great wild horse herds — Przewalski's horse never bred with domestic stock.

Who eats who

Apex predators on top. Energy flows down.

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