Nelson's small-eared shrew

Nelson's small-eared shrew (Cryptotis nelsoni) is a species of mammal in the family Soricidae. It is endemic to eastern Mexico.

Nelson's small-eared shrew
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Eulipotyphla
Family: Soricidae
Genus: Cryptotis
Species:
C. nelsoni
Binomial name
Cryptotis nelsoni
Merriam, 1895
Nelson's small-eared shrew range

The species was discovered by Edward William Nelson and Edward Alphonso Goldman in 1894, who collected a number of specimens from the slopes of the San Martín volcano in Veracruz, Mexico. The species was then not recorded again, and thought by many to be extinct, until being rediscovered in the same area in 2004 (as described in 2009).[2][3] Its biology is essentially unknown. The Nelson's Small-Eared Shrew is considered to be one of the world's 100 most threatened species on the planet. Once thought extinct, they have been recently rediscovered in very small numbers. They live in high altitudes on the side of an inactive volcano.[1][2] The shrews are tiny (only 10 centimetres long) with brown fur.[2]

References
  1. Matson, J.; Cuarón, A.D.; de Grammont, P.C. (2018). "Cryptotis nelsoni". IUCN Red List of Threatened Species. 2018: e.T136389A22284939. doi:10.2305/IUCN.UK.2018-2.RLTS.T136389A22284939.en. Retrieved 19 November 2021.
  2. Walker, M. (16 July 2009). "'Extinct' tiny shrew rediscovered". news.bbc.co.uk. Archived from the original on 2010-11-19. Retrieved 2020-03-03.
  3. Cervantes, F.A.; Guevara, L. (2010). "Rediscovery of the critically endangered Nelson's small-eared shrew (Cryptotis nelsoni), endemic to Volcán San Martín, Eastern México". Mammalian Biology. 75 (5): 451–454. doi:10.1016/j.mambio.2009.06.002.
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