Mass: 7.1 g based on Brown and Zeng 1989, Elizalde-Arellano et al. 2010, and Hinds and MacMillen 1985

Abundance: 0.40 to 24.68% (median 3.23%)

Latitudinal range: 21.9° to 35.4°

Habitats: desert/xeric shrubland (6), temperate savanna (1)

Found in 7 samples

Mexico: Atotonilco de Campa (Sherman traps, desert-shrub), Matancillas, La Campana, La Huerta

United States: Fort Bliss, Jornada Validation Site (1971), Cross Bar Cooperative Management Area

body mass	7.0 g	N = 214	Brown and Zeng 1989
body mass	8.0 g	N = 1	Elizalde-Arellano et al. 2010
body mass	8.3 g	N = 9	Hinds and MacMillen 1985
♂ ear length	7 mm	N = 1	Sânchez-Hernândez et al. 1999
ear length	6 mm	N = 1	Merriam 1894
♂ hind foot length	17 mm	N = 1	Sânchez-Hernândez et al. 1999
hind foot length	17.5 mm	N = 1	Merriam 1894
hind foot length	17.4 mm	N = 12	Merriam 1894
♂ skull length	20.2 mm	N = 1	Sânchez-Hernândez et al. 1999
♂ tail length	49 mm	N = 1	Sânchez-Hernândez et al. 1999
tail length	55 mm	N = 1	Merriam 1894
tail length	53.7 mm	N = 12	Merriam 1894
♂ total body length	106 mm	N = 1	Sânchez-Hernândez et al. 1999
total body length	118 mm	N = 1	Merriam 1894
total body length	116 mm	N = 12	Merriam 1894
♂ upper tooth row length	3.0 mm	N = 1	Sânchez-Hernândez et al. 1999

See also Perognathus, Perognathus amplus, Perognathus ancenensis, Perognathus flavescens, Perognathus formosus, Perognathus gidleyi, Perognathus hispidus, Perognathus huastecensis, Perognathus longimembris, Perognathus merriami, Perognathus minutus, Perognathus parvus, Perognathus pearlettensis, Perognathus sp.