Swift Fox

(Vulpes velox)

Typical Lifespan (Wild): 3–6 years

Adult Weight

  • Male: 2.0–3.0 kg (4.4–6.6 lb)
  • Female: 1.8–2.5 kg (4.0–5.5 lb)

Adult Length

  • Male: 76–86 cm (30–34 in)
  • Female: 74–84 cm (29–33 in)

Ave. Litter Size: 4–5 pups (Range: 1–6)

Diet: Omnivorous

Habitat: Shortgrass prairie, Mixed-grass prairie, Sagebrush plains

Activity Pattern: Primarily nocturnal

Typical Home Range: 5–32 km² (2–12 mi²)

Did You Know?

Despite weighting 4 to 7 pounds, swift foxes can run nearly 30 mph (48 km/h)!

Swift foxes are considered indicators of healthy prairie ecosystems

Swift foxes often have several dens within their territory and may switch dens often throughout the year.

Thanks for conservation and reintroduction programs, swift foxes have returned to portions of their historic range after having disappeared for decades.