List of mammals of Timor-Leste
This is a list of mammals found in East Timor.
The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:
| Extinct | No reasonable doubt that the last individual has died. | |
| Extinct in the wild | Known only to survive in captivity or as a naturalized populations well outside its previous range. | |
| Critically endangered | The species is in imminent risk of extinction in the wild. | |
| Endangered | The species is facing an extremely high risk of extinction in the wild. | |
| Vulnerable | The species is facing a high risk of extinction in the wild. | |
| Near threatened | The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. | |
| Least concern | There are no current identifiable risks to the species. | |
| Data deficient | There is inadequate information to make an assessment of the risks to this species. |
Order: [Chiroptera]
- Family: Hipposideridae
- * Genus: Hipposideros
- ** Timor roundleaf bat, H. crumeniferus
- Family: Pteropodidae
- * Genus: Acerodon
- ** Sunda flying fox, Acerodon mackloti
- * Genus: Cynopterus
- ***Lesser short-nosed fruit bat, C. brachyotis
- ** Nusatenggara short-nosed fruit bat, Cynopterus nusatenggara
- ** Indonesian short-nosed fruit bat, Cynopterus titthaecheilus
- * Genus: Dobsonia
- ** Moluccan naked-backed fruit bat, Dobsonia moluccensis
- ** Western naked-backed fruit bat, Dobsonia peronii
- * Genus: Eonycteris
- ** Cave nectar bat, Eonycteris spelaea
- * Genus: Macroglossus
- ** Long-tongued nectar bat, Macroglossus minimus
- * Genus: Nyctimene
- ** Pallas's tube-nosed bat, Nyctimene cephalotes possibly extirpated
- ** Keast's tube-nosed fruit bat, Nyctimene keasti
- * Genus: Pteropus
- ** Gray flying fox, Pteropus griseus
- ** Lombok flying fox, Pteropus lombocensis
- ** Large flying fox, Pteropus vampyrus
- * Genus: Rousettus
- ** Geoffroy's rousette, Rousettus amplexicaudatus
- Family: Rhinolophidae
- * Genus: Rhinolophus
- ** Broad-eared horseshoe bat, Rhinolophus euryotis
- ** Insular horseshoe bat, Rhinolophus keyensis
- ** Woolly horseshoe bat, Rhinolophus luctus
- ** Large-eared horseshoe bat, ''Rhinolophus philippinensis''
Order: [Diprotodontia]
- Family: Phalangeridae
- * Genus: Phalanger
- ** Northern common cuscus, ''Phalanger orientalis''
Order: [Primates]
- Family: Cercopithecidae
- * Genus: Macaca
- ** Crab-eating macaque, ''Macaca fascicularis''
Order: [Rodent]ia
Order: [Sirenia]
- Family: Dugongidae
- * Genus: Dugong
- ** Dugong, ''Dugong dugon''
Order [Soricomorpha]
- Family: Soricidae
- * Genus: Crocidura
- ** Javanese shrew, Crocidura maxi
- ** Sunda shrew, Crocidura monticola
- ** Timor shrew, Crocidura tenuis
- * Genus: Suncus
- ** Asian house shrew, ''Suncus murinus''
Order: [Cetacea]
The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.- Suborder: Mysticeti
- * Family Balaenopteridae
- ** Genus: Balaenoptera
- *** Common minke whale, Balaenoptera acutorostrata LC
- *** Sei whale, Balaenoptera borealis EN
- *** Bryde's whale, Balaenoptera edeni DD
- *** Blue whale, Balaenoptera musculus EN
- *** Fin whale, Balaenoptera physalus EN
- ** Genus: Megaptera
- *** Humpback whale, Megaptera novaeangliae LC
- Suborder: Odontoceti
- * Family: Delphinidae
- ** Genus: Delphinus
- *** Short-beaked common dolphin, Delphinus delphis LC
- ** Genus: Feresa
- *** Pygmy killer whale, Feresa attenuata DD
- ** Genus: Globicephala
- *** Short-finned pilot whale, Globicephala macrorhynchus DD
- ** Genus: Grampus
- *** Risso's dolphin, Grampus griseus LC
- ** Genus: Orcaella
- *** Irrawaddy dolphin, Orcaella brevirostris VU
- ** Genus: Orcinus
- *** Killer whale, Orcinus orca DD
- ** Genus: Peponocephala
- *** Melon-headed whale, Peponocephala electra LC
- ** Genus: Physeter
- *** Sperm whale, Physeter macrocephalus VU
- ** Genus: Pseudorca
- *** False killer whale, Pseudorca crassidens DD
- ** Genus: Sousa
- *** Chinese white dolphin, Sousa chinensis NT
- ** Genus: Stenella
- *** Pantropical spotted dolphin, Stenella attenuata LC
- *** Striped dolphin, Stenella coeruleoalba LC
- *** Spinner dolphin, Stenella longgirostris DD
- ** Genus: Steno
- *** Rough-toothed dolphin, Steno bredanensis LC
- ** Genus: Tursiops
- *** Common bottlenose dolphin, Tursiops truncatus LC
- * Family: Kogiidae
- ** Genus: Kogia
- *** Pygmy sperm whale, Kogia breviceps DD
- *** Dwarf sperm whale, Kogia sima DD
- * Family: Ziphidae
- ** Genus: Mesoplodon
- *** Strap-toothed whale, Mesoplodon layardii DD
- ** Genus: Ziphius
- *** Cuvier's beaked whale, Ziphius cavirostris LC
Order [Artiodactyla]
- Family: Cervidae
- * Genus: Rusa
- ** Javan rusa, ''Rusa timorensis''