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A small herd of pronghorn antelope in a grassy plain.

Pronghorn Antelope

Female Pronghorns usually give birth to twins, with young females often giving birth to a single fawn. Pronghorn can reach speeds of 50 mph/80.5 kph and are North America’s fastest mammal.

Antilocarpa americana


Pronghorn are ungulates (hoofed mammal). They are similar in size and build to deer. Pronghorn have tan fur, white on belly and rump, two white stripes on the breast. Both males and females have a pair of horns. Females have small horns, while males have horns that are slightly curved, 10-12 in/20-30 cm in length, with single forward-projecting prong. They shed the sheath (outer part of the horn) annually. Pronghorn have large eyes and excellent vision. Pronghorn breed from late summer to fall, with fawns born in May–June.

Observation Tips

Pronghorn antelope are a common sight in prairies from southern Saskatchewan to northern Mexico deserts, and from California shrub steppe to Nebraska prairie. Usually found in small bands. Large winter herds disperse in spring to form separate bachelor and female-kid groups through the summer. Some cold-climate populations migrate from one seasonal-use area to another, using the same routes each year. Migrating populations may travel 200 mi/320 km or more to leave areas of deep snow. Southern herds show localized movement but seldom migrate.

Interesting Fact

Females usually give birth to twins, with young females often giving birth to a single fawn. Pronghorn can reach speeds of 50 mph/80.5 kph and are North America’s fastest mammal.

Ideal Habitat

Pronghorn typically inhabit low, rolling, expansive prairies and sagebrush flats with slopes <10%. Pronghorn require open prairie, areas dominated by grasses and forbs with interspersed with low shrubs, that provides long-range visibility. Natural obstacles such as deep canyons, wide rivers and densely wooded areas can impede movements. Fences, highways, and urban development further restrict movement. Ground cover in grasslands ranges between 60-80% living vegetation (grasses & forbs) with 20 – 40% bare ground, litter or rock. In shrub steppe, desert, and semidesert grassland habitats, preferred cover is >50% living vegetation and <50% bare ground, rock, litter. Forbs are an important forage resource during late winter and early spring with higher quality forage for fawn development. Throughout the range for pronghorn, shrub cover between 5 – 40%, and vegetation 10-18 in/25 – 46 cm in height is preferred. Does seek taller shrubs and grasses and other cover for fawning. Pronghorn also require readily accessible water and are often found within 3mi/6km of water.

Range map provided by International Union for Conservation of Nature

Management Activities that Benefit Species – Best Management Practices (BMPs)

Grazing management that varies grazing intensity and season of you will benefit pronghorn.  Actions that lead to a diversity of forbs and shrubs, as well as habitat diversity are beneficial. For example, prescribed fire should be applied when weather and vegetation will promote a cool burn that may decrease shrubs, and not harm grasses or forbs. As pronghorn require access to water, maintaining springs/seeps and water developments is beneficial in maintaining access during critical times. Protect playas for drinking water and nutritious forage. As pronghorn will often go under fences, where possible, install wildlife friendly fencing that has a smooth bottom wire at least 16 in/41 cm from the ground, (18in/46 cm is better) and the top wire should be no higher than 40 in/101.5 cm. Seasonally leaving gates open can improve movement through the landscape. Consider if a permanent fence is required to meet management goals and if so, placement should consider established wildlife movement patterns, topography and access to important habitat.

Management Activities to Avoid

As pronghorn have evolved in an open landscape with no vertical barriers, they can easily get injured trying to jump over or go under barbed wire fences. Avoid installing incompatible fencing such as 4-wire barbed wire or woven mesh as this style of fence more than doubles mortalities. Recently weaned fawns are particularly vulnerable to mortality when they are unable to cross through a fence. If managing an area for reduced shrub densities, avoid treating large (>5,000 ac/2,025 ha) portions of the habitat.

Other Species that Benefit from Similar Habitat Management

Other species that benefit from management for pronghorn include mule deer, swift fox, greater sage-grouse, western meadowlark and other grassland species. Wildlife friendly fences are good for deer, elk, black bears and many other species.


Download the Pronghorn Antelope factsheet

Descarga la ficha de Berrendo

Other Resources

Howard, Janet L. 1995. Antilocapra americana. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).

International Union for Conservation of Nature (IUCN). 2019. The IUCN Red List of Threatened Species. Version 2019-3. Pronghorn antelope

Montana Fish, Wildlife & Parks. 2012. A Landowner’s Guide to Wildlife Friendly Fences: How to build a fence with wildlife in mind, 2nd Edition.

NatureServe. 2019. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1.  NatureServe, Arlington, Virginia. Pronghorn antelope

Yoakum, J. D., P. F. Jones, J. Cancino, R. J. Guenzel, R. Seidler, A. Munguia-Vega, I. Cassaigne, and M. Culver. 2014. Western Association of Fish and Wildlife Agencies’ Pronghorn Workshop and New Mexico Department of Game and Fish, Santa Ana Pueblo, New Mexico. Pronghorn management guides. Fifth edition.

Photo Credit: Larry Lamsa / Flickr




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