The biological knowledge, current distribution and conservation status of the species of jackrabbits (Lepus) in risk category distributed in islands of Baja California Sur, Mexico is very useful to take specific actions for its management and conservation. The objective of this work was to spread recent results on the actual state that keep the populations from two species of Lepus with presence in the Islands Margarita and Magdalena (L. californicus magdalenae), Carmen (L. c. sheldoni), and Espiritu Santo (L. insularis). We analyzed their distribution, density, habitat, associate fauna, and human impact in their populations. Additionally, we proposed new risk categories for the species and subspecies of jackrabbits following the criteria of the method of evaluation of extinction risk for the wild species in Mexico (MER), and were included data on their behavior, food habits and signs of reproductive activity.