Range Description

Distribution of Sylvilagus graysoni is limited to the four Tres Marias Islands in Nayarit, Mexico (Cervantes 1997). The subspecies S. g. graysoni is native to Maria Madre, Maria Magdalena, and Maria Cleofas Islands, and S. g. badistes occurs on San Juanito Island (Chapman and Ceballos 1990). The total extent of occurrence is less than 500 km². S. graysoni has been recorded from sea level to an elevation of 350 m (Cervantes 1997).