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Long-tailed Pygmy Rice Rat

Oligoryzomys longicaudatus
Ratón Colilargo
Family: Cricetidae
Order: Rodentia
Class: Mammalia
Phylum / Division: Chordata
Kingdom: Animalia
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Conservation status: Least Concern

This taxon does not have a description yet.

At EcoRegistros, species pages are completed using open bibliographic compilations, and anyone can contribute.

If you'd like to submit a sourced description, email us at ecoregistros@ecoregistros.org and we'll publish it credited to your name.




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Latest feeding records
Is consumed, preyed upon or captured by
GroupSpeciesDateUser
BirdsLechuzón Campestre (Asio flammeus)12/08/2019Jose Garcia Allievi
BirdsGarcita Bueyera (Ardea ibis)25/04/2018Silvia Sokolovsky



Number of Photography: 6



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Last Filmings published




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 Reports


 Detail of places sorted by number of records





Number of Records: 20



Page 1 of 2
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
224753818/02/202501:35ArgentinaRío NegroPuerto Blest1Marcelo Gavensky
223329520/12/2024ArgentinaCorrientesColonia Carlos Pellegrini1Diego Oscar
203721706/05/2024ArgentinaBuenos AiresVilla GesellMarcos Garberoglio
195048115/01/2024ArgentinaBuenos AiresCaminos rurales de Saavedra - Laguna Los Flamencos, Saavedra - Partido de SaavedraRicardo Fernandez Chaves
192324719/06/2021ArgentinaBuenos AiresPartido de Junín, JunínClaudio Javier Spiga
131421922/11/2020ArgentinaBuenos AiresBrasil 1000, Ingeniero Maschwitz1Sebastián Otero
143554807/05/2020ArgentinaBuenos AiresReserva Natural Urbana El Corredor, Bella Vista2Reserva Natural Urbana El Corredor
93182207/03/2019ArgentinaTierra del FuegoParque Nacional Tierra del FuegoUlises Balza
88794116/02/2019ArgentinaEntre RíosParque Nacional El PalmarDiego Oscar
75868017/04/2018ArgentinaBuenos AiresVicente López 1100-1132, Luján1Silvia Sokolovsky
Page 1 of 2

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Citation recommended:

EcoRegistros. 2026. Long-tailed Pygmy Rice Rat (Oligoryzomys longicaudatus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/03/2026.