Lampropeltis catalinensis (Van Denburgh & Slevin, 1921)

Peralta-García, Anny, Valdez-Villavicencio, Jorge H., Fucsko, Lydia Allison, Hollingsworth, Bradford D., Johnson, Jerry D., Mata-Silva, Vicente, Rocha, Arturo, DeSantis, Dominic L., Porras, Louis W. & Wilson, Larry David, 2023, The herpetofauna of the Baja California Peninsula and its adjacent islands, Mexico: composition, distribution, and conservation status, Amphibian & Reptile Conservation (e 326) 17 (1), pp. 57-142 : 112

Lampropeltis catalinensis ** (18) Masticophis barbouri ** (17) Rhinocheilus etheridgei ** (17)

Sonora punctatissima ** (15)

Sonora savagei ** (16)

Hypsiglena catalinae ** (16)

Hypsiglena gularis ** (16)

Hypsiglena marcosensis ** (16)

Crotalus angelensis ** (18)

Crotalus catalinensis ** (19)

Crotalus lorenzoensis ** (19)

Crotalus mitchellii (15)

Crotalus polisi ** (19)

Crotalus thalassoporus ** (19)

All but one of these 45 species are peninsular endemics, and one is an MXUS species. As a group, their EVS values range from 14 to 19.

The 2 nd rank, with respect to high vulnerability species, is held by the ATR, the Arid Tropical Region, which includes the following 16 high vulnerability species: