The Tres Marias cottontail or Tres Marias rabbit (Sylvilagus graysoni) is a species of mammal in the family Leporidae.

Distribution and habitat

It is endemic to the Tres Marias Islands, part of the Mexican state of Nayarit. The rabbit is abundantly found in both the Madre and Magdalena islands but only has some occurrences in the Cleofa island. Its natural habitat is subtropical or tropical dry forests.

Subspecies

Conservation

It is threatened by habitat loss.

Ecology

The rabbit only has three predators - the Tres Marias raccoon (Procyon lotor insularis), a subspecies of the common raccoon, and two birds of prey: the red-tailed hawk (Buteo jamaicensis) and the crested caracara (Caracara plancus).