Order Rodentia - Family Cricetidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Peromyscus guardia Townsend 1912 Peromyscus guardia Townsend 1912 , Bull. Am. Mus . Nat. Hist., 31: 126 . Type Locality: México , Baja California Norte, Ángel de la Guarda Isl, 29°33'N , 113°35'W . Vernacular Names: La Guarda Deermouse . Synonyms: Peromyscus harbisoni Banks 1967 ; Peromyscus mejiae Burt 1932 . Distribution: Isls of Ángel de la Guarda, Granito, and Mejía, N Gulf of California, México . Conservation: IUCN – Lower Risk (nt). Discussion: P. eremicus species group. Status and relationships with respect to P. eremicus and P. interparietalis illuminated by Brand and Ryckman (1969) , Lawlor (1971 a ) , and Avise et al. (1974); also see remarks on those studies by Hafner et al. (2001:785) . Formerly included P. interparietalis (see Banks, 1967 , and Lawlor, 1971 a ). Extinction or critical endangerment of various island populations, principally due to domestic cat introduction, evaluated by Mellink et al. (2002) and Alvarez-Castañeda and Ortega-Rubio (2003).