 The length of the breeding season may extend from February to December, with a peak in reproduction during the rainy season (from May to October).Litter size is one to four embryos, but the number of litters produced per female per year remains to be investigated.The Tehuantepec jackrabbit is listed as critically endangered in the Mexican Official Norm NOM-059-ECOL-2001, and as an endangered species by the International Union for the Conservation of Nature (IUCN) Red List of Endangered Species.