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.
Orange Diamond-faced Bat
Rhinonicteris aurantia
Hairy Little Fruit Bat
Rhinophylla alethina
Fischer's Little Fruit Bat
Rhinophylla fischerae
Dwarf Little Fruit Bat
Rhinophylla pumilio
Tonkin Snub-nosed Monkey
Rhinopithecus avunculus
Yunnan Snub-nosed Monkey
Rhinopithecus bieti
Guizhou Snub-nosed Monkey
Rhinopithecus brelichi
Golden Snub-nosed Monkey
Rhinopithecus roxellana
Stryker's Snub-nosed Monkey
Rhinopithecus strykeri
Arabian Mouse-tailed Bat
Rhinopoma cystops
Hadramaut Mouse-tailed Bat
Rhinopoma hadramauticum
Lesser Mouse-tailed Bat
Rhinopoma hardwickii
Greater Mouse-tailed Bat
Rhinopoma microphyllum
Muscat Mouse-tailed Bat
Rhinopoma muscatellum
Shrew-faced Squirrel
Rhinosciurus laticaudatus
Albuja's Climbing Rat
Rhipidomys albujai
Southern Climbing Rat
Rhipidomys austrinus
Bezerros Climbing Rat
Rhipidomys bezerrensis
Caracol Climbing Rat
Rhipidomys caracolensis
Cariri Climbing Rat
Rhipidomys cariri
Lesser Colombian Climbing Rat
Rhipidomys caucensis
Coues's Climbing Rat
Rhipidomys couesi
Snethlage's Climbing Rat
Rhipidomys emiliae
Tawny-bellied Climbing Rat
Rhipidomys fulviventer
Gardner's Climbing Rat
Rhipidomys gardneri
Ipuca Climbing Rat
Rhipidomys ipukensis
Sky Climbing Rat
Rhipidomys itoan
Broad-footed Climbing Rat
Rhipidomys latimanus
White-footed Climbing Rat
Rhipidomys leucodactylus
McConnell's Tepui Climbing Rat
Rhipidomys macconnelli
Cerrado Climbing Rat
Rhipidomys macrurus
Long-tailed Climbing Rat
Rhipidomys mastacalis
Lesser Peruvian Climbing Rat
Rhipidomys modicus
Splendid Climbing Rat
Rhipidomys nitela
Ochoa-Graterol's Climbing Rat
Rhipidomys ochoagrateroli
Yellow-bellied Climbing Rat
Rhipidomys ochrogaster
Greater Colombian Climbing Rat
Rhipidomys similis
Turimiquire Climbing Rat
Rhipidomys tenuicauda
Tribe's Climbing Rat
Rhipidomys tribei
Venezuelan Climbing Rat
Rhipidomys venezuelae
Charming Climbing Rat
Rhipidomys venustus
Wetzel's Climbing Rat
Rhipidomys wetzeli
Ybyra Climbing Rat
Rhipidomys ybyrae
Hoary Bamboo Rat
Rhizomys pruinosus
Chinese Bamboo Rat
Rhizomys sinensis
Indomalayan Bamboo Rat
Rhizomys sumatrensis
Lemke's Hutia
Rhizoplagiodontia lemkei
Yucatán Yellow Bat
Rhogeessa aenea
Bickham's Yellow Bat
Rhogeessa bickhami
Genoways's Yellow Bat
Rhogeessa genowaysi
Husson's Yellow Bat
Rhogeessa hussoni
Thomas's Yellow Bat
Rhogeessa io
Menchu's Yellow Bat
Rhogeessa menchuae
Tiny Yellow Bat
Rhogeessa minutilla
Least Yellow Bat
Rhogeessa mira
Northern Little Yellow Bat
Rhogeessa parvula
Nicaraguan Little Yellow Bat
Rhogeessa permutandis
Black-winged Little Yellow Bat
Rhogeessa tumida
Ecuadorian Little Yellow Bat
Rhogeessa velilla
Great Gerbil
Rhombomys opimus