Mammals 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.
Cayman Nesophontes
Nesophontes hemicingulus
Atalaye Nesophontes
Nesophontes hypomicrus
Slender Cuban Nesophontes
Nesophontes longirostris
Greater Cuban Nesophontes
Nesophontes major
Lesser Cuban Nesophontes
Nesophontes micrus
Saint Michel Nesophontes
Nesophontes paramicrus
Haitian Nesophontes
Nesophontes zamicrus
Darwin's Galapagos Mouse
Nesoryzomys darwini
Small Fernandina Galapagos Mouse
Nesoryzomys fernandinae
Indefatigable Galapagos Mouse
Nesoryzomys indefessus
Large Fernandina Galapagos Mouse
Nesoryzomys narboroughi
Santiago Galapagos Mouse
Nesoryzomys swarthi

Dwarf Antelope
Nesotragus batesi

Suni
Nesotragus moschatus

American Shrew Mole
Neurotrichus gibbsii
Montane Fish-eating Rat
Neusticomys monticolus
Orces's Andean Water Mouse
Neusticomys orcesi
Voss's Fish-eating Rat
Neusticomys vossi

Nilgiri Tahr
Nilgiritragus hylocrius

Ethiopian Amphibious Rat
Nilopegamys plumbeus
Wongai Ningaui
Ningaui ridei
Pilbara Ningaui
Ningaui timealeyi

Southern Ningaui
Ningaui yvonneae
Anderson's White-bellied Rat
Niviventer andersoni
Brahman White-bellied Rat
Niviventer brahma

Bukit White-bellied Rat
Niviventer bukit
Cameron Highlands White-bellied Rat
Niviventer cameroni

Confucian White-bellied Rat
Niviventer confucianus

Spiny Taiwan White-bellied Rat
Niviventer coninga

Sundaic Arboreal White-bellied Rat
Niviventer cremoriventer
Soft-furred Taiwan White-bellied Rat
Niviventer culturatus
Smoke-bellied White-bellied Rat
Niviventer eha
Sichuan White-bellied Rat
Niviventer excelsior
Feng's White-bellied Rat
Niviventer fengi
Montane Sumatran White-bellied Rat
Niviventer fraternus

Indochinese White-bellied Rat
Niviventer fulvescens
Least White-bellied Rat
Niviventer gladiusmaculus
Limestone White-bellied Rat
Niviventer hinpoon
South China White-bellied Rat
Niviventer huang

Montane Javan White-bellied Rat
Niviventer lepturus
Hainan White-bellied Rat
Niviventer lotipes
Mekong White-bellied Rat
Niviventer mekongis
Himalayan White-bellied Rat
Niviventer niviventer
Pianma White-bellied Rat
Niviventer pianmaensis

Montane Bornean White-bellied Rat
Niviventer rapit
Shandong White-bellied Rat
Niviventer sacer
Indochinese Mountain White-bellied Rat
Niviventer tenaster

Lesser Bulldog Bat
Noctilio albiventris

Greater Bulldog Bat
Noctilio leporinus

Northern Yellow-cheeked Crested Gibbon
Nomascus annamensis

Western Black Crested Gibbon
Nomascus concolor

Southern Yellow-cheeked Crested Gibbon
Nomascus gabriellae

Hainan Crested Gibbon
Nomascus hainanus

Northern White-cheeked Crested Gibbon
Nomascus leucogenys

Eastern Black Crested Gibbon
Nomascus nasutus

Southern White-cheeked Crested Gibbon
Nomascus siki
Vespucci's Rat
Noronhomys vespuccii

Agile Wallaby
Notamacropus agilis
Black-striped Wallaby
Notamacropus dorsalis

Tammar Wallaby
Notamacropus eugenii