Big-eared Opossum
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The big-eared opossum (''Didelphis aurita''), also known as a saruê, or the gambá, is an
opossum Opossums () are members of the marsupial order Didelphimorphia () endemic to the Americas. The largest order of marsupials in the Western Hemisphere, it comprises 126 species in 18 genera. Opossums originated in South America and entered North A ...
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
from
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
. It is found in
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
,
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
and
Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...
. This species, which was considered a population of the
common opossum The common opossum (''Didelphis marsupialis''), also called the southern or black-eared opossum or gambá, and sometimes called a possum, is a marsupial species living from the northeast of Mexico to Bolivia (reaching the coast of the South Paci ...
(''D. marsupialis'') for some time, was originally described as ''D. azarae'' by
Coenraad Jacob Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch people, Dutch patrician, Zoology, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. Fro ...
in 1824, but this name was incorrectly given to the
white-eared opossum The white-eared opossum (''Didelphis albiventris''), known as the timbu and cassaco in northeast Brazil, saruê and sariguê in Bahia, micurê and mucura in northern Brazil and comadreja overa in Argentina, is an opossum species found in Argentin ...
(''D. albiventris'') for over 160 years. As such, the name ''azarae'' has been abandoned. Due to carrying offspring, female big-eared opossums tend to stay in smaller areas and reduce their movements.


References


External links


facts and pictures at Animal Diversity Web
Diogo Loretto, & Marcus Vinícius Vieira. (2005). The Effects of Reproductive and Climatic Seasons on Movements in the Black-Eared Opossum (Didelphis aurita Wied-Neuwied, 1826). Journal of Mammalogy, 86(2), 287–293. http://www.jstor.org/stable/4094347 Opossums Marsupials of Argentina Marsupials of Brazil Mammals of Paraguay Mammals described in 1826 Taxa named by Prince Maximilian of Wied-Neuwied {{marsupial-stub