Enrique Beltrán

Enrique Beltrán Castillo (1903–1994) bụ otu n'ime ndị nchekwa nchekwa mbụ Mexico. Nwa akwụkwọ Alfonso Herrera na UNAM n'afọ 1920, Herrera họpụtara Beltrán ka ọ bụrụ onye isi kọmitii mmiri abụọ (na 1923 na 1926), nke e hiwere iji mụọ na melite iji azụ azụ dị n'ụsọ oké osimiri Mexico.Simonian, p. 133

N'afọ 1932, Beltrán nwetara Mmekọrịta Guggenheim "iji lelee ebe nchekwa oceanographic na United States na ịmụ protozoology na Mahadum Columbia.".Simonian, p. 133

Mgbe ọ gụsịrị akwụkwọ doctorate ya na zoology na Columbia, site na 1939-52 Beltrán duziri Ngalaba Protozoology na Institute of Health and Tropical Diseases nke Mexico.Simonian, p. 135

Site n'enyemaka nke Charles Lathrop Pack Foretry Foundation, na 1952, Beltrán hiwere ụlọ ọrụ Mexico Institute of Renewable Natural Resources (Instituto Mexicano de Recursos Naturales Renovables, ma ọ bụ IMERAR), otu n'ime ụlọ ọrụ nchekwa mbụ Mexico, na-eje ozi dị ka onye nduzi ya.Simonian, p. 136

N'afọ 1966, ọ natara ihe nrite nsọpụrụ site na International Union for Conservation of Nature (IUCN).

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 Marcotullio, Peter na Gordon McGranahan. Ịbawanye ihe ịma aka gburugburu ebe obibi obodo: site na mpaghara gaa na ụwa na azụ. United Kingdom: Earthscan. Enwere: akwụkwọ
 [Ihe e dere n'ala ala peeji] Nchebe Ala nke Jaguar: Akụkọ Nchekwa na Mexico. Austin, TX: Mahadum nke Texas Press. Enwere: Akwụkwọ Google.