Aspidoscelis exsanguis (Lowe, 1956)

Gatica-Colima, Ana B., Porras, Louis W., Mata-Silva, Vicente, DeSantis, Dominic L., Johnson, Arturo Rocha Jerry D. & Wilson, Larry David, 2024, The herpetofauna of Chihuahua, Mexico: composition, distribution, and conservation status, Amphibian & Reptile Conservation (e 336) 18 (1), pp. 107-186 : 163-164

Aspidoscelis exsanguis (14) Aspidoscelis uniparens (15)

Barisia imbricata * (14)

Barisia levicollis * (15)

Craugastor tarahumaraensis * (17)

No. 41. Arizona elegans Kennicott, 1859 . The distribution of the Glossy Snake “extends from central California, southern Nevada, southern Utah, southwestern and eastern Colorado, and southeastern Nebraska southward through southern California, Arizona , New Mexico, Kansas, Oklahoma, and Texas, in the United States, and in Mexico in northern Baja California, Sinaloa, Aguascalientes, and in the Chihuahuan Desert, including western San Luis Potosí ” ( Lemos-Espinal and Dixon, 2013: 170–171). This juvenile was photographed in sandy soil in a somewhat stable sand dune at Médanos de Samalayuca , in Juárez , Chihuahua. Wilson et al. (2013a) ascertained its EVS as 5, placing it in the lower portion of the low vulnerability category. The IUCN designated its conservation status as Least Concern, but this species is not listed by SEMARNAT. Photo by Rubén F. Alvídrez Heredia .

No. 43. Leptophis diplotropis (Günther, 1872) . The Pacific Coast Parrot Snake is found at “low altitudes on Pacific slopes from southern Sonora and southwestern Chihuahua (canyons of the Sierra Tarahumara) to the Isthmus of Tehuantepec, extending some distance up the Río Santiago valley” (Lemos-Espinal et al. 2013: 105). This individual was photographed in low deciduous forest at Urique, Chihuahua. Wilson et al. (2013a) determined its EVS as 14, placing it at the lower limit of the high vulnerability category. The IUCN assessed its conservation status as Least Concern, but this species is listed as Threatened by SEMARNAT. Photo by Sebastián Ochoa Rodríguez.

No. 42. Lampropeltis knoblochi Taylor, 1940 . The Chihuahuan Mountain Kingsnake “appears to be limited to the Sierra Madre Occidental of Sonora , Chihuahua, Sinaloa, and Durango, and Madrean Sky Islands in southeastern Arizona and southwestern New Mexico …” ( Lemos-Espinal et al. 2013: 103). This individual was photographed on a rock with moss and lichens near Cascada de Basaseachi National Park , where there is pine-oak and gallery forest vegetation, in the municipality of Ocampo , Chihuahua. Wilson et al. (2013a) calculated its EVS as 10, placing it at the lower limit of the medium vulnerability category. The IUCN has not determined its conservation status, and this species is not listed by SEMARNAT. Photo by Ramón Isaac Miramontes Cinco.

No. 44. Masticophis flagellum (Shaw, 1802) . The distribution of the Coachwhip “extends across the southern half of the United States, and in Mexico southward through Baja California, west of the Sierra Madre Occidental to southern Sinaloa, and east of the Sierra Madre Occidental to northern Jalisco and Querétaro ” ( Lemos-Espinal and Dixon 2013: 199–200). This individual was photographed in a crop field on the old road to the city of Meoqui , Chihuahua. Wilson et al. (2013a) calculated its EVS as 8, placing it in the upper portion of the low vulnerability category. The IUCN determined its conservation status as Least Concern, but this species is considered as Threatened by SEMARNAT. Photo by Leonardo Hernández Escudero .