Stats

Lifespan

7-10 yrs

Size

Medium

Diet

Herbivore

Activity

Diurnal

Social

Herd

Biome

Temperate grassland

Range

North America

Movement

Running

Breeding

Live Birth

Defense

Speed

Status

Common

About

The fastest land animal in the Western Hemisphere, capable of sustained speeds near 55 mph despite evolving alongside predators long since extinct. Its branched, forked horns are shed and regrown annually, making it unique among horned mammals.

Life cycle

1. 1.
   newborn calf

   A wobbly calf stands within hours of birth and stays close to its mother in the herd.
2. 2.
   juvenile

   A weaned juvenile grazes alongside adults, develops budding horns, and learns herd hierarchy.
3. 3.
   adult

   Fully grown, with adult horns and full body size.

Learn more

• View on iNaturalist →
• Watch on YouTube →

Taxonomy

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Artiodactyla

Family

Antilocapridae

Genus

Antilocapra

Species

Antilocapra americana