Peromyscus guardia guardia Townsend, 1912:126
Ángel de la Guarda deer mouse, Angel Island mouse
Taxonomy & Nomenclature
Synonym/s: Peromyscus guardia Townsend, 1912:126
Conservation Status
Missing (Álvarez-Castañeda et al., 2008, 2018, 2025)
Last record: 1991 (Fisher & Blomberg, 2012; Lee et al., 2017)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Ángel de la Guarda Island, Gulf of California, México
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Townsend, Charles Haskins. (1912). Mammals collected by the 'Albatross' expedition in lower California in 1911, with descriptions of new species. Bulletin of the American Museum of Natural History 31: 117-130 + 2 pls.
Other references:
Álvarez-Castañeda, S. T. (2024). Mammals of North America - Volume 2: Systematics and Taxonomy. Springer.
Álvarez-Castañeda, Sergio Ticul and Ortega-Rubio, Alfredo. (2003). Current status of rodents on islands in the Gulf of California. Biological Conservation 109(2): 157-163. https://doi.org/10.1016/S0006-3207(02)00121-0
Álvarez-Castañeda, S. T., Lacher, T. and Vázquez, E. (2018). Peromyscus guardia. The IUCN Red List of Threatened Species 2018: e.T16664A22359973. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T16664A22359973.en. Accessed on 07 August 2026.
Álvarez-Castañeda, S.T., Castro-Arellano, I., Lacher, T. & Vázquez, E. (2008). Peromyscus guardia. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. (http://www.iucnredlist.org). Downloaded on 28 January 2012.
Álvarez-Castañeda, S. T., Vázquez, E. and Hurtado Materon, M. A. (2025). Peromyscus guardia. The IUCN Red List of Threatened Species 2025: e.T16664A276938034. https://dx.doi.org/10.2305/IUCN.UK.2025-2.RLTS.T16664A276938034.en. Accessed on 07 August 2026.
Banks, R. C. (1967). The Peromyscus guardia–interparietalis complex. Journal of Mammalogy 48: 210-218. [Abstract]
Blázquez, Ma Carmen et al. (2018). Stable isotope analyses suggest Mus musculus occupies the place of the “possibly extinct” Peromyscus guardia in Angel de la Guarda Island, (Mexico). Mammal Research. https://doi.org/10.1007/s13364-018-0382-0 [Abstract]
Brand, L. R. and Ryckman, R. E. (1969). Biosystematics of Peromyscus eremicus, P. guardia and P. interparietalis. Journal of Mammalogy 50: 501-513.
Fisher, Diana O. and Blomberg, Simon P. (2012). Inferring Extinction of Mammals from Sighting Records, Threats, and Biological Traits. Conservation Biology 26(1): 57-67. https://doi.org/10.1111/j.1523-1739.2011.01797.x
Fisher, Diana O. and Humphreys, Aelys M. (2024). Evidence for modern extinction in plants and animals. Biological Conservation 298: 110772. https://doi.org/10.1016/j.biocon.2024.110772
Lee, T. E., Fisher, D. O., Blomberg, S. P. and Wintle, B. A. (2017). Extinct or still out there? Disentangling influences on extinction and rediscovery helps to clarify the fate of species on the edge. Global Change Biology 23(2): 621-634. https://doi.org/10.1111/gcb.13421
Mellink, E., Ceballos, G. and Luevano, J. (2002). Population demise and extinction threat of the Angel de la Guarda deer mouse (Peromyscus guarda). Biological Conservation 108: 107-111.
Mellink, E. and Luévano, J. (2014). Mammals of Mexico.In: Ceballos, G. (ed.), John Hopkins University Press.
Rios, E. and Álvarez-Castañeda, S. T. (2011). Peromyscus guardia (Rodentia: Cricetidae). Mammalian Species 43(885):172-176.
Vázquez-Domínguez, E., Ceballos, G. and Cruzado, J. (2004). Extirpation of an insular subspecies by a single introduced cat: the case of the endemic deer mouse Peromyscus guardia on Estanque Island, Mexico. Oryx 38: 347-350. [Abstract]
https://extinctanimals.proboards.com/thread/7115/peromyscus-guardia-angel-island-mouse