Mammals of the WorldMammals of the World: A Photo Database of Every Mammal Species
Mammals are far more diverse than most people realize. Scientists currently recognize roughly 6,871 living species, grouped into about 27 orders and 167 families — from bats (Chiroptera) and rodents (Rodentia), the two largest orders by far, to small, specialized groups like pangolins (Pholidota) and aardvarks (Tubulidentata). Each family shares a distinct evolutionary history, from whales and dolphins (Cetacea) to primates, carnivores, and marsupials, and new species are still being described every year.
This site exists to build a free, open, photo-referenced database of that diversity. We're using it as the reference library for a mammal identification field guide app — the more species that have verified photos attached, the better that app can recognize mammals from a photo in the field. Browse the full species list below, search by common name, scientific name, order, family, or genus, and if you have a photo of a mammal you've encountered, upload it to help fill in the gaps.
Bismarck Woolly Bat
Kerivoula myrella
Papillose Woolly Bat
Kerivoula papillosa
Clear-winged Woolly Bat
Kerivoula pellucida
Spurrell's Woolly Bat
Kerivoula phalaena
Painted Woolly Bat
Kerivoula picta
Bornean Woolly Bat
Kerivoula pusilla
Smith's Woolly Bat
Kerivoula smithii
Titania's Woolly Bat
Kerivoula titania
Whitehead's Woolly Bat
Kerivoula whiteheadi
Acrobatic Cavy
Kerodon acrobata
Rock Cavy
Kerodon rupestris
Waterbuck
Kobus ellipsiprymnus
Kob
Kobus kob
Southern Lechwe
Kobus leche
Nile Lechwe
Kobus megaceros
Puku
Kobus vardonii
Pygmy Sperm Whale
Kogia breviceps
Dwarf Sperm Whale
Kogia sima
Komodo Rat
Komodomys rintjanus
Woolly Giant Rat
Kunsia tomentosus
Angolan Long-eared Serotine
Laephotis angolensis
Cape Serotine
Laephotis capensis
East African Serotine
Laephotis kirinyaga
Isalo Serotine
Laephotis malagasyensis
Malagasy Serotine
Laephotis matroka
Namib Long-eared Serotine
Laephotis namibensis
Roberts's Serotine
Laephotis robertsi
Stanley's Serotine
Laephotis stanleyi
De Winton's Long-eared Serotine
Laephotis wintoni
Fraser's Dolphin
Lagenodelphis hosei
White-beaked Dolphin
Lagenorhynchus albirostris
Ecuadorean Mountain Viscacha
Lagidium ahuacaense
Southern Mountain Viscacha
Lagidium moreni
Northern Mountain Viscacha
Lagidium peruanum
Common Mountain Viscacha
Lagidium viscacia
Wolffsohn's Mountain Viscacha
Lagidium wolffsohni
Central Hare Wallaby
Lagorchestes asomatus
Spectacled Hare Wallaby
Lagorchestes conspicillatus
Rufous Hare Wallaby
Lagorchestes hirsutus
Eastern Hare Wallaby
Lagorchestes leporides
Common Plains Viscacha
Lagostomus maximus
Banded Hare Wallaby
Lagostrophus fasciatus
Yellow-tailed Woolly Monkey
Lagothrix flavicauda
Common Woolly Monkey
Lagothrix lagothricha
Steppe Vole
Lagurus lagurus
Llama
Lama glama
Guanaco
Lama guanicoe
Alpaca
Lama pacos
Vicuña
Lama vicugna
Mount Oku Rat
Lamottemys okuensis
Orange-throated Bat
Lampronycteris brachyotis
Kha-nyou
Laonastes aenigmamus
Four-striped Ground Squirrel
Lariscus hosei
Three-striped Ground Squirrel
Lariscus insignis
Niobe Ground Squirrel
Lariscus niobe
Mentawai Three-striped Squirrel
Lariscus obscurus
Silver-haired Bat
Lasionycteris noctivagans
Brandt's Vole
Lasiopodomys brandtii
Mandarin Vole
Lasiopodomys mandarinus
Northern Hairy-nosed Wombat
Lasiorhinus krefftii