Dipodomys gravipes Huey, 1925:83

San Quintín kangaroo rat, San Quintin kangaroo rat



Taxonomy & Nomenclature



Conservation Status

Last record: 1986 (Fisher & Blomberg, 2012)

Rediscovered in 2017 or later (Tremor et al., 2019; Andrade et al., 2022)

IUCN RedList status: Critically Endangered (Possibly Extinct)



North-western Baja California, Mexico


Biology & Ecology










Original scientific description:

Huey, L. M. (1925). Two new kangaroo rats of the genus Dipodomys from Lower California. Proceedings of the Biological Society of Washington 38: 83-85.


Other references:

Álvarez-Castañeda, S.T. & Lacher, T. 2018. Dipodomys gravipes. The IUCN Red List of Threatened Species 2018: e.T6676A22227742. Accessed on 29 July 2022.

Andrade, Jorge, Arteaga, María Clara and Mellink, Eric. (2022). Was the San Quintín Kangaroo Rat really rediscovered? Canadian Journal of Zoology.

Best, Troy L. (1978). Variation in kangaroo rats (genus Dipodomys) of the heermanni group in Baja California, Mexico. Journal of Mammalogy 59(1): 160-175.

Best, Troy L. (1983). Morphologic variation in the San Quintin kangaroo rat (Dipodomys gravipes Huey 1925). American Midland Naturalist 109(2): 409-413.

Best, Troy L. and Lackey, J. A. (1985). Dipodomys gravipes. Mammalian Species 236: 1-4, 5 figs.

Brown, J. H and Nicoletto, P. F. (1991). Spatial scaling of species composition: Body masses of North American land mammals. American Naturalist 138, 6: 1478-1512.

Cab-Sulub, Leticia and Álvarez-Castañeda, Sergio Ticul. (2020). Analysis of the remaining habitat of an endemic species rediscovered. Mammalian Biology 100: 307-314. [Abstract]

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.

Freudenthal, M. and Martín-Suárez, E. (2013). Estimating body mass of fossil rodents. Scripta Geologica 145: 1-130. [0.081-0.09 kg estimate]

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.

Mellink, E. and J. Luévano. 2005. Dipodomys gravipes, pp. 613-615. In: G. Ceballos and G. Oliva (coord). Los mamíferos silvestres de México. Fondo de Cultura Económica – CONABIO. México, D.F.

Monroy-Gamboa, Alina Gabriela. (2021). The ghost mammals from Mexico and their implications. Therya 12(3): 1-10.

Patton, J. L., and S. T. Alvarez-Castañeda. 1999. Family Heteromyidae. Pp. 351-442, in Mamíferos del noroeste de México (S. T. Alvarez-Castañeda and J. L. Patton, eds.). Centro de Investigaciones Biológical del Noroeste, La Paz, México, 211 pp.

Stout, C. A. and Duszynski, D. W. (1983). Coccidia from kangaroo rats (Dipodomys spp.) in the western United States, Baja California, and northern Mexico with descriptions of Eimeria merriami sp. n. and Isospora sp. The Journal of parasitology 69(1): 209-214.

Tremor, Scott, Vanderplank, Sula and Mellink, Eric. (2019). The San Quintín Kangaroo Rat is Not Extinct. Bull. Southern California Acad. Sci. 118(1): 71-75.

Williams, D. F., H. H. Genoways, and J. K. Braun. 1993. Taxonomy. Pp. 38-196, in Biology of the Heteromyidae (H. H. Genoways and J. H. Brown, eds.). Special Publication, The American Society of Mammalogists, 10:1-719.


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