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Flag of Uruguay Uruguay

Mammals 54 - Systematic Listing

(53 speciess + 1 form with special treatment that are not is considered at the species level)

Number of records: 387

Last update: 02/10/2026 23:40:23

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Uruguay

General Information

Uruguay is located in the southeastern part of South America, bordering Brazil to the north and northeast, the Atlantic Ocean to the east, the Río de la Plata to the south, and Argentina to the west. Its territory covers an area of approximately 176,215 square kilometers, with an Atlantic coastline of about 680 kilometers in length. The geography of Uruguay is characterized by being mostly flat, with some hills and mountains in the north and center of the country. The highest region is the cuchilla de Haedo, which reaches a maximum height of about 500 meters above sea level. The Uruguayan relief is also influenced by the presence of numerous streams and rivers, such as the Uruguay River, the Negro River, and the Río de la Plata, which play an important role in shaping the landscape and wildlife.

The vegetation in Uruguay is varied, with grasslands, forests, and hills covering much of the territory. The Atlantic coast features a strip of dunes and sandy beaches, while the interior of the country is characterized by a mixture of pastures and forests. The Uruguayan climate is temperate, with warm and humid summers, and cool and dry winters. The average annual temperature is around 17 degrees Celsius, with an average annual precipitation of about 1,200 millimeters. The best time to make nature observations in Uruguay is during the spring and autumn, when the weather is more pleasant and wildlife is more active.

To access Uruguay, there are several international airports, such as Carrasco International Airport, located near the capital, Montevideo. It is also possible to enter the country by land, through border crossings with Brazil and Argentina, or by sea, through the ports of Montevideo and Colonia del Sacramento. Once inside the country, it is possible to move around by car, bus, or taxi, as the road network is quite extensive and well-maintained. It is also possible to walk or cycle along rural roads and trails, which allows for a greater connection with nature and the environment.

In terms of infrastructure and services, Uruguay has a network of hotels, hostels, and campsites that offer accommodation for all tastes and budgets. It is also possible to find restaurants and eateries that serve a variety of traditional Uruguayan dishes, such as the chivito and fried torta. In the most touristy areas, such as Punta del Este and Colonia del Sacramento, there are shops, supermarkets, and tourist services, such as travel agencies and car rental companies. However, in more rural areas, services may be more limited, so it is recommended to plan ahead and bring provisions and equipment.

In general, Uruguay is a safe and welcoming country for visitors, with a friendly and hospitable population. However, it is essential to take the usual precautions to protect personal safety and the environment, such as respecting local norms and regulations, not disturbing wildlife, and not polluting the environment. With a little planning and preparation, Uruguay can be an ideal destination for those looking to connect with nature and enjoy the beauty and tranquility of the Uruguayan countryside.



Compilation and publication: EcoRegistros – 21/07/2026











  Order Family English Common Name Spanish Common Name Portuguese Common Name Scientific Name Belonging Records Chance of observation Conservation status Notes
1DidelphimorphiaDidelphidaeBrazilian White-eared OpossumComadreja OveraGambá-de-orelha-brancaDidelphis albiventrisNative8IV
 LC 
2Big Lutrine OpossumComadreja ColoradaLutreolina crassicaudataNative1II
 LC 
3Orange-sided OpossumColicorto PampeanoMonodelphis dimidiataNot listed1II
 LC 
4CingulataChlamyphoridaeSix-banded ArmadilloGualacateEuphractus sexcinctusNot listed4III
 LC 
5Greater Naked-tailed ArmadilloTatú Rabo MolleTatu de Rabo MoleCabassous tatouayNative2III
 LC 
6DasypodidaeSouthern Long-nosed ArmadilloMulita PampeanaTatu-mulitaDasypus hybridusNative9IV
  
7Nine-banded ArmadilloMulita GrandeTatu-galinhaDasypus novemcinctusNative7III
 LC 
8PilosaMyrmecophagidaeSouthern TamanduaOso MieleroTamandua tetradactylaNative2III
 LC 
9LagomorphaLeporidaeEuropean HareLiebre EuropeaLebre-comumLepus europaeusExotic25VI
 LC 
10RodentiaCaviidaeBrazilian Guinea PigCuis GrandeCavia apereaNative32VI
 LC 
11Greater CapybaraCarpinchoCapivaraHydrochoerus hydrochaerisNative16V
 LC 
12CuniculidaeLowland PacaPacaCuniculus pacaNot listed1II
 LC 
13ErethizontidaeParaguayan Hairy Dwarf PorcupineCoendú ChicoOuriço-cacheiroCoendou spinosusNative2III
 LC 
14CtenomyidaePearson´s Tuco-tucoTucu Tucu de PearsonTuco TucoCtenomys pearsoniNative11IV
 NT 
15Collared Tuco-tucoTuco de CollarCtenomys torquatusNative2III
 LC 
16EchimyidaeCoypuCoipoRatão-do-banhadoMyocastor coypusNative16V
 LC 
17CricetidaeSmall Vesper MouseLaucha De CampoCalomys lauchaNative1II
  
18Delta Pygmy Rice RatColilargo IsleñoRato-do-matoOligoryzomys nigripesNative1II
  
19Oligoryzomys sp.Native1II
  
20Azara´s Grass MouseRatón de Pastizal PampeanoRato-do-chãoAkodon azaraeNative3III
 LC 
21Cook´s HocicudoHocicudo de JoséOxymycterus joseiNative2III
 NT 
22Uruguay Swamp RatRata de PajonalScapteromys tumidusNative3III
 LC 
23Brazilian Marsh RatRata Nutria ColoradaHolochilus brasiliensisNative2III
 LC 
24Yellow Pygmy Rice RatColilargo MenorOligoryzomys flavescensNative4III
 LC 
25MuridaeBrown RatRata NoruegaRattus norvegicusNative1II
 LC 
26Roof RatRata NegraRattus rattusNative1II
 LC 
27ChiropteraPhyllostomidaeCommon Vampire BatVampiro de AzaraDesmodus rotundusNot listed6III
 LC 
28MolossidaeBrazilian Free-tailed BatMurciélago Cola de RatónTadarida brasiliensisNative3III
 LC 
29VespertilionidaeSouthern Red BatMurciélago RojizoLasiurus blossevilliiNot listed1II
 LC 
30Southern Yellow BatMurciélago LeonadoLasiurus egaNative3III
 LC 
31CarnivoraMephitidaeMolina´s Hog-nosed SkunkZorrinoConepatus chingaNative20V
 LC 
32MustelidaeLesser GrisonHurón MenorFurão-pequenoGalictis cujaNative10IV
 LC 
33Neotropical OtterLobito de RíoLontra longicaudisNative14IV
 NT 
34ProcyonidaeSouth American CoatiCoatíQuatiNasua nasuaNative6III
 LC 
35Crab-eating RaccoonAguará PopéProcyon cancrivorusNative5III
 LC 
36OtariidaeSouth American Fur SealLobo Marino de Dos PelosArctocephalus australisNative16V
 LC 
37Antarctic Fur SealLobo Marino de dos Pelos AntárticoArctocephalus gazellaNative2III
 LC 
38Subantarctic Fur SealLobo Marino de Dos Pelos SubantárticoArctocephalus tropicalisNative3III
 LC 
39South American Sea LionLobo Marino de Un PeloLeão-marinho-da-patagôniaOtaria flavescensNative16V
 LC 
40PhocidaeSouthern Elephant SealElefante Marino del SurMirounga leoninaNative15V
 LC 
41CanidaeCrab-eating FoxZorro de MonteCerdocyon thousNative14IV
 LC 
42Pampas FoxZorro Gris PampeanoGraxaim-do-campoLycalopex gymnocercaNative17V
 LC 
43FelidaeGeoffroy´s CatGato MontésGato-do-matoLeopardus geoffroyiNative10IV
 LC 
44MargayTigrilloLeopardus wiediiNative2III
 NT 
45PumaPumaPuma concolorNative1II
 LC 
46ArtiodactylaCervidaePampas DeerVenado de las PampasVeado-campeiroOzotoceros bezoarticusNative21V
 NT 
47Common Brown BrocketCorzuela PardaVeado-catingueiroSubulo gouazoubiraNative9IV
 LC 
48ChitalAxisAxis axisExotic11IV
 LC 
49Common Fallow DeerCiervo DamaDama damaExotic1II
 LC 
50SuidaeEurasian Wild PigJabalíJavaliSus scrofaNative4III
 LC 
51BalaenidaeSouthern Right WhaleBallena Franca AustralEubalaena australisNative7III
 LC 
52BalaenopteridaeHumpback WhaleBallena JorobadaBaleia-jubarteMegaptera novaeangliaeNative1II
 LC 
53DelphinidaeCommon Bottlenose DolphinDelfín Nariz de BotellaTursiops truncatusNative5III
 LC 
54PontoporiidaeFranciscanaFranciscanaBoto-amareloPontoporia blainvilleiNative6III
 VU 
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