Ecuador
Checklist of Endemic Mammal Species
This list of mammal species found exclusively in Ecuador is based on the taxonomy used in the Mammal Diversity Database (2020). For further details on possible inaccuracies in the list see Sources & Caveats.
American Society of Mammalogists (2020) Mammal Diversity Database, Version 1.2 http://www.mammaldiversity.org, accessed 24 September 2020. An online version can be found here.
An alternative list of the endemic mammals of Ecuador can be found at (bioweb)
Additional species recognized more recently by the Mammal Diversity Database are listed at the bottom of the page.
X = Extinct
Arctophoca
galapagoensis (Carnivora
- Otariidae) Galapagos Fur Seal
Zalophus
wollebaeki (Carnivora
- Otariidae) Galapagos Sea Lion
Cabreramops
aequatorianus (Chiroptera
- Molossidae) Equatorial Dog-faced Bat
Lonchophylla
orcesi (Chiroptera - Phyllostomidae) Orces' Long-tongued Bat
Micronycteris
giovanniae (Chiroptera
- Phyllostomidae) Giovanni's Big-eared Bat
Micronycteris
simmonsae (Chiroptera
- Phyllostomidae) Simmons's Big-eared Bat
Sturnira
perla (Chiroptera - Phyllostomidae) Perla Yellow-shouldered Bat
Cryptotis
equatoris (Eulipotyphla
- Soricidae) Ecuadorean Small-eared Shrew
Cryptotis
osgoodi (Eulipotyphla -
Soricidae) Osgood's Small-eared Shrew
Sylvilagus
daulensis (Lagomorpha
- Leporidae) Ecuadorean Tapeti
Sylvilagus
surdaster (Lagomorpha
- Leporidae) Western Tapeti
Caenolestes
condorensis (Paucituberculata
- Caenolestidae) Condor Shrew-opossum
Caenolestes
sangay (Paucituberculata
- Caenolestidae) Sangay Shrew-opossum
Cavia
patzelti (Rodentia
- Caviidae) Sacha Guinea Pig
Lagidium
ahuacaense (Rodentia
- Chinchillidae) Ecuadorean Mountain Viscacha
Aegialomys
galapagoensis (Rodentia
- Cricetidae) Galapagos Rice Rat
Hylaeamys
tatei (Rodentia - Cricetidae) Tate's
Rice Rat
Ichthyomys
pinei (Rodentia - Cricetidae) Pine's
Crab-eating Rat
Megaoryzomys
curioi X (Rodentia
- Cricetidae) Galapagos Giant Rat
Mindomys
hammondi (Rodentia
- Cricetidae) Mindo Rat
Nectomys
saturatus (Rodentia
- Cricetidae) Ecuadorean Water Rat
Neomicroxus
latebricola (Rodentia
- Cricetidae) Ecuadorean Grass Mouse
Nephelomys
moerex (Rodentia - Cricetidae) Gray-bellied
Rice Rat
Nephelomys
nimbosus (Rodentia
- Cricetidae) Lesser Golden-bellied Rice Rat
Nesoryzomys
darwini X (Rodentia
- Cricetidae) Darwin's Galapagos Mouse
Nesoryzomys
fernandinae (Rodentia
- Cricetidae) Small Fernandina Galapagos Mouse
Nesoryzomys
indefessus X (Rodentia
- Cricetidae) Indefatigable Galapagos Mouse
Nesoryzomys
narboroughi (Rodentia
- Cricetidae) Large Fernandina Galapagos Mouse
Nesoryzomys
swarthi (Rodentia - Cricetidae) Santiago
Galapagos Mouse
Phyllotis
haggardi (Rodentia
- Cricetidae) Haggard's Leaf-eared Mouse
Rhipidomys
albujai (Rodentia - Cricetidae) Albuja's
Climbing Rat
Sigmodon
inopinatus (Rodentia
- Cricetidae) Ecuadorean Cotton Rat
Tanyuromys
thomasleei (Rodentia
- Cricetidae) Thomas Lee's Rice Water Rat
Thomasomys
auricularis (Rodentia
- Cricetidae) Red Andean Oldfield Mouse
Thomasomys
erro (Rodentia - Cricetidae) Wandering
Oldfield Mouse
Thomasomys
fumeus (Rodentia - Cricetidae) Smoky
Oldfield Mouse
Thomasomys
hudsoni (Rodentia - Cricetidae) Hudson's
Oldfield Mouse
Thomasomys
salazari (Rodentia
- Cricetidae) Salazar's Oldfield Mouse
Thomasomys
silvestris (Rodentia
- Cricetidae) Forest Oldfield Mouse
Thomasomys
ucucha (Rodentia - Cricetidae) Ucucha
Oldfield Mouse
Thomasomys
vulcani (Rodentia - Cricetidae) Pichincha
Oldfield Mouse
The following additional species were recognized after the version of the ASM Mammal Diversity Database listed above. These 18 species added to the 42 listed above total 60 endemic mammal species for Ecuador.
(# indicates a species that is considered endemic due to a different concept of species boundaries as a result of splits than is used for the animal with the same scientific name in the above version of the ASM Mammal Diversity Database)
Sturnira boadai (Chiroptera - Phyllostomidae) Boada's Yellow-shouldered Bat
Myotis moratellii (Chiroptera - Vespertilionidae) Moratelli's Myotis
Chilomys carapazi (Rodentia - Cricetidae) Carapaz's Forest Mouse
Chilomys georgeledecii (Rodentia - Cricetidae) Ledeci's Forest Mouse
Chilomys neisi (Rodentia - Cricetidae) Neisi Forest Mouse
Chilomys percequilloi (Rodentia - Cricetidae) Percequillo's Forest Mouse
Chilomys weksleri (Rodentia - Cricetidae) Weksler's Forest Mouse
Ichthyomys orientalis (Rodentia - Cricetidae) Ecuadorean Crab-eating Rat
Mindomys kutuku (Rodentia - Cricetidae) Kutuku Rice Rat
Neacomys auriventer (Rodentia - Cricetidae) Golden-bellied Bristly Mouse
Neacomys marci (Rodentia - Cricetidae) Marc's Bristly Mouse
Pattonimus ecominga (Rodentia - Cricetidae) Ecominga Montane Rat
Pattonimus musseri (Rodentia - Cricetidae) Musser's Montane Rat
Rhagomys septentrionalis (Rodentia - Cricetidae) Northern Arboreal Mouse
Thomasomys burneoi (Rodentia - Cricetidae) Burneo's Oldfield Mouse
Thomasomys pardignasi (Rodentia - Cricetidae) Pardinas' Oldfield Mouse
Microsciurus simonsi (Rodentia - Sciuridae) Simons' Dwarf Squirrel
Sciurus stramineus # (Rodentia - Sciuridae) Guayaquil Squirrel