Cryptotis nelsoni (Merriam, 1895)

Nelson's small eared shrew



Taxonomy & Nomenclature



Conservation Status

Last record: 1900; 1951 (Fisher & Blomberg, 2012)

Rediscovered in 2009 (Cervantes & Guevara, 2010)

IUCN RedList status: Critically Endangered



Veracruz State, Mexico


Biology & Ecology










Original scientific description:

Merriam , C.H. 1895. Revision of the shrews of the American genera Blarina and Notiosorex. NorthAm. Fauna 10: 1-34.


Other references:

Baillie, Jonathan E. M. and Butcher, Ellen R. (2012). Priceless or Worthless? The world’s most threatened species. London, UK: Zoological Society of London.

Carraway, L. N. (2007). Shrews (Eulypotyphla: Soricidae) of Mexico. Western North American Naturalist 3.

Cervantes, F. A. and Guevara, Lázaro. (2010). Rediscovery of the critically endangered Nelson's small-eared shrew (Cryptotis nelsoni), endemic to Volcán San Martín, Eastern México. Mammalian Biology-Zeitschrift für Säugetierkunde 75(5): 451-454.

Choate, J. R. (1970). Systematics and zoogeography of the Middle American shrews of the genus Cryptotis. University of Kansas Publications, Museum of Natural History 19: 195-317.

Dirzo, R. and Garcia, M. C. (1992). Rates of deforestation in Los Tuxtlas, a neotropical area in Veracruz, Mexico. Conservation Biology 6(1): 84-90.

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.

Goldman, E. A. (1951). Biological investigations in Mexico. Smithsonian Miscellaneous Collections 115: 1-476.

Gonzalez Christen, A. (2008). La diversidad alfa, beta y gamma de la mastofauna en la Sierra de Santa Marta, Veracruz, Mexico. In: Lorenzo, C., Espinoza, E., and Ortega, J. (eds), Avances en el Estudio de los Mamiferos de Mexico, Asociacion Mexicana de Mastozoologia, San Cristobal de las Casas, Chiapas, Mexico.

Guevara, Lázaro and Cervantes, Fernando A. (2022). Taxonomy and conservation of the critically endangered shrew Cryptotis nelsoni (Eulipotyphla: Soricidae), endemic to Los Tuxtlas, Veracruz, México. Journal of Mammalogy 103(5): 1237-1251.

Guevara, Lázaro and Sánchez-Cordero, Víctor. (2018). New records of a critically endangered shrew from Mexican cloud forests (Soricidae, Cryptotis nelsoni) and prospects for future field research. Biodiversity Data Journal 6: e26667. [automatic download]

Hutterer, Rainer. (2005). Order Soricomorpha. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World, pp. 220-311. Johns Hopkins University Press, Baltimore, Maryland, USA.

Nowak, R. M. (1999). Walker's Mammals of the World. The Johns Hopkins University Press, Baltimore, USA and London, UK.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Woodman, N., Matson, J., Cuarón, A. D. and de Grammont, P. C. (2010). Cryptotis nelsoni. The IUCN Red List of Threatened Species 2010: e.T136389A4284838. Downloaded on 15 February 2017.


<< Back to the Eulipotyphla database