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American Bison
Bison bison

NT

IUCN Red Status

Not Threatened

CD

IUCN Green Status

Critically Depleted

Males: 2000-2400 lbs. (males weigh more than females)
Females: 800-1100 lbs.
Males: 6 feet high at hump
Females: 4-5 feet at the hump
Human Care: 25 years
Wild: ~15 years

North America

Fun Facts

  • Largest land dwelling mammal in North America.
  • Named the national mammal in 2016.
  • Bison are important for preserving grasslands (hooves break up soil and spread nutrients; feces is fertilizer; seed dispersal via coats).
  • Can reach speeds up to 35 mph.