Here you’ll find 24 Mammals that start with D, organized from “Dall sheep” to “Dwarf sperm whale”. These species range from small rodents to large marine and terrestrial mammals, and they help illustrate mammal diversity.

Mammals that start with D are species whose common names begin with the letter D, found worldwide in varied habitats. A notable example is the Dall sheep, an iconic mountain ungulate of Alaska and northwestern Canada.

Below you’ll find the table with common name, scientific name, habitat, average size (cm).

Common name: You see the familiar name used in field guides and everyday language, helping you quickly recognize species.

Scientific name: You get the formal Latin name that uniquely identifies each species and helps you locate authoritative information.

Habitat: You learn the typical environments where each mammal lives, summarized into concise categories like forest, marine, or desert.

Average size (cm): You find an average adult length in centimeters to compare relative sizes across species at a glance.

Mammals that start with D

Common nameScientific nameHabitatAverage size (cm)
Dama gazelleNanger damagrassland167.50
Dall’s porpoisePhocoenoides dallimarine190.00
Dall sheepOvis dalligrassland150.00
Daubenton’s batMyotis daubentoniiforest5.00
Deer mousePeromyscus maniculatusforest, grassland8.50
Desert cottontailSylvilagus auduboniigrassland38.00
Desert hedgehogParaechinus aethiopicusdesert11.50
Desert kangaroo ratDipodomys desertidesert15.00
DholeCuon alpinusforest100.00
DugongDugong dugonmarine285.00
DeguOctodon degusgrassland16.00
Dwarf mongooseHelogale parvulagrassland23.00
Dwarf sperm whaleKogia simamarine270.00
Diana monkeyCercopithecus dianaforest52.50
De Brazza’s monkeyCercopithecus neglectusforest55.00
DrillMandrillus leucophaeusforest64.00
Dusky dolphinLagenorhynchus obscurusmarine200.00
Dusky-footed woodratNeotoma fuscipesforest22.50
Dusky shrewSorex monticolusforest9.00
Diademed sifakaPropithecus diademaforest50.00
DromedaryCamelus dromedariusdesert300.00
Daurian pikaOchotona dauuricagrassland20.00
Dwarf palm civetArctogalidia trivirgataforest35.00
DibatagAmmodorcas clarkeigrassland140.00

Descriptions

Dama gazelle
A graceful Sahelian antelope with pale coat and long legs, adapted to open dry grasslands and semi-desert regions.
Dall’s porpoise
A compact, fast porpoise of North Pacific waters, known for energetic bow-riding and a bold black-and-white pattern.
Dall sheep
A wild sheep of northwestern North America, living on alpine slopes and known for impressive curved horns on males.
Daubenton’s bat
A medium-sized insectivorous bat often foraging low over water in woodlands, recognizable by its tricolor fur.
Deer mouse
A widespread North American rodent with large eyes and ears, adaptable to forests, fields, and human-altered areas.
Desert cottontail
A common rabbit of western North America, favoring open scrub and grasslands; noted for its long hindlegs and quick hops.
Desert hedgehog
A small spiny insect-eating mammal of arid regions, curling into a protective ball when threatened.
Desert kangaroo rat
A nocturnal, bipedal rodent adapted to dry deserts; known for large hind legs and cheek pouches for seeds.
Dhole
A social, pack-hunting canid from Asia with rusty coat and high endurance, often taking large prey cooperatively.
Dugong
A marine herbivore (sea cow) that grazes seagrass in tropical coastal waters; slow-moving and long-lived.
Degu
A social, diurnal rodent from Chile, popular in studies of behavior and cognition; lives in family groups on open slopes.
Dwarf mongoose
Africa’s smallest carnivoran, highly social and diurnal, living in groups that cooperatively care for young.
Dwarf sperm whale
A small, deep-diving toothed whale with a squat body and cryptic behavior, found in warm-temperate and tropical oceans.
Diana monkey
A striking West African monkey with facial markings and long tail, living in forest canopy and known for loud calls.
De Brazza’s monkey
A stout, secretive forest monkey with a white beard and orange crown patch, often found near waterways.
Drill
A large, ground-dwelling primate of West-Central African forests, similar to the mandrill but darker-faced.
Dusky dolphin
A highly acrobatic dolphin of southern oceans, known for tight social groups and energetic surface displays.
Dusky-footed woodrat
A Californian rodent known for constructing large stick-and-debris dens, common in woodland habitats.
Dusky shrew
A small, insectivorous shrew found in northern forests; active and with a fast metabolism.
Diademed sifaka
A large, vividly patterned lemur from Madagascar that leaps between trees and lives in small family groups.
Dromedary
The single-humped camel domesticated across hot deserts; adapted for long-range travel with fat-storing hump.
Daurian pika
A small burrowing lagomorph of Asian steppes and grasslands, living in colonies and making haypiles for winter.
Dwarf palm civet
A small, arboreal viverrid of Southeast Asian forests, nocturnal and feeding on fruit and small animals.
Dibatag
A slender, saltatory antelope of Horn of Africa arid grasslands, adapted to open scrub and semi-desert regions.
If you think there is a missing term, let us know using the contact form.