List by common name
List by scientific name

Click on the first letter of the common name.

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

Threatened Mammals

Species 1 - 50 of 731 [ next ]

Aardvark (Orycteropus afer)
While this bizarre and elusive mammal may look similar in appearance to a pig, (aardvark literally means... More	21 Images	5 Videos

Abbott's duiker (Cephalophus spadix)
This secretive, forest-dwelling antelope was first photographed in the wild as recently as 2003, with the aid of a camera trap.... More	4 Images	0 Videos

Addax (Addax nasomaculatus)
The Addax is a desert living antelope and is well adapted to its harsh habitat; the hooves are splayed to enable them to travel... More	15 Images	4 Videos

African buffalo (Syncerus caffer)
The strong and imposing African buffalo is Africa's only wild cattle species, and one of the ‘Big Five' mammals that were once... More	75 Images	10 Videos

African clawless otter (Aonyx capensis)
The dexterous, hand-like forefeet of the African clawless otter are its most remarkable feature, enabling it to grapple with its... More	12 Images	1 Video

African elephant (Loxodonta africana)
One of the most emotive of the megafauna and the largest living terrestrial animal, African savanna elephants inspire awe at their... More	50 Images	32 Videos

African golden cat (Profelis aurata)
The African golden cat is little known by science, but is the subject of much tribal superstition in many parts of Africa. Pygmy... More	8 Images	1 Video

African manatee (Trichechus senegalensis)
The African manatee is the least known of all the Sirenians; the unique group of manatees and dugongs that are the only herbivorous... More	2 Images	0 Videos

African wild ass (Equus africanus)
The African wild ass is the ancestor of the domestic donkey, and has a similar stocky body shape. The short, smooth coat is a light... More	6 Images	3 Videos

African wild dog (Lycaon pictus)
The African wild dog is one of the world's most social and distinctive canids. The short, wiry coat is coloured in blotches... More	25 Images	12 Videos

Agile gibbon (Hylobates agilis)
Information on the agile gibbon is currently being researched and written and will appear here... More	7 Images	0 Videos

Agile mangabey (Cercocebus agilis)
The agile mangabey is a large, slender monkey, with relatively long limbs, a long muzzle, and a tail that is longer than its body.... More	4 Images	0 Videos

Alaotran gentle lemur (Hapalemur alaotrensis)
The Alaotran gentle lemur has a woolly, dense, dark-grey coat, with a chestnut tinge on the crown. The head is rounded, the muzzle... More	11 Images	2 Videos

Aldabra flying fox (Pteropus aldabrensis)
The Aldabra flying fox is one of only four mammals found on Aldabra Atoll in the Seychelles. Its fur is pale brown on the back... More	1 Image	1 Video

Amami rabbit (Pentalagus furnessi)
The Amami rabbit is a unique member of the rabbit family, having evolved in isolation over the millennia. The dense fur is dark... More	1 Image	0 Videos

Amazonian manatee (Trichechus inunguis)
The Amazonian manatee is a most bizarre-looking aquatic mammal, and was first described as a curious combination of a hippopotamus... More	4 Images	0 Videos

American beaver (Castor canadensis)
Information on the American beaver is currently being researched and written and will appear here... More	27 Images	0 Videos

Amur leopard (Panthera pardus orientalis)
The Amur leopard is considered to be one of the most critically endangered big cats in the world, with just 35 remaining in the... More	10 Images	0 Videos

Andean cat (Leopardus jacobita)
The Andean cat is considered to be one of the most endangered wild cats in the world and perhaps the rarest South American felid... More	1 Image	1 Video

Andean hairy armadillo (Chaetophractus nationi)
Armadillos are one of the oldest groups of mammals. Once thought to be closely related to turtles because of their tough protective... More	2 Images	0 Videos

Andean night monkey (Aotus miconax)
Information on the Andean night monkey is currently being researched and written and will appear here... More	3 Images	0 Videos

Anderson's mouse opossum (Marmosa andersoni)
Only seven individuals of this small marsupial have ever been found, all from a small region of southern Peru. Anderson's mouse... More	5 Images	0 Videos

Ankarana sportive lemur (Lepilemur ankaranensis)
Information on the Ankarana sportive lemur is currently being researched and written and will appear here... More	4 Images	0 Videos

Antarctic minke whale (Balaenoptera bonaerensis)
Information on the Antarctic minke whale is currently being researched and written and will appear here... More	10 Images	2 Videos

Arabian leopard (Panthera pardus nimr)
The Arabian leopard is the largest and most powerfully built of all Arabian cats, but is thought to be the smallest of the... More	4 Images	1 Video

Arabian oryx (Oryx leucoryx)
At one time extinct in the wild, this desert antelope can once again be seen wandering the dry Arabian Peninsula. The Arabian oryx... More	21 Images	9 Videos

Arabian spiny mouse (Acomys dimidiatus)
Information on the Arabian spiny mouse is currently being researched and written and will appear here... More	10 Images	1 Video

Arabian tahr (Hemitragus jayakari)
Although the Arabian tahr is considered to be the smallest of all tahr species (Hemitragus), its strength and agility should not... More	2 Images	2 Videos

Argali (Ovis ammon)
The argali is the largest of the wild sheep, and the males have impressive horns that are highly prized by hunters. Currently... More	2 Images	9 Videos

Arnoux's beaked whale (Berardius arnuxii)
One of the largest beaked whale species, Arnoux's beaked whale is almost identical in appearance to its close relative... More	4 Images	1 Video

Asia Minor spiny mouse (Acomys cilicicus)
The Asia Minor or Turkish spiny mouse is so-called as the back of both males and females are covered in coarse, inflexible... More	2 Images	0 Videos

Asian buffalo (Bubalus bubalis)
At up to more than a tonne in weight, the Asian buffalo is a massive, powerful animal, with a wider horn span than any other bovid.... More	16 Images	4 Videos

Asian elephant (Elephas maximus)
Asian elephants are smaller than their African savannah relatives (Loxodonta africana) and have many other physical features that... More	40 Images	19 Videos

Asian short-clawed otter (Aonyx cinerea)
This charismatic mammal, equally at home in the water and on land, is the smallest of the world's otters. As well as its size, the... More	15 Images	1 Video

Asian tapir (Tapirus indicus)
Its unmistakable two-tone pattern distinguishes the Asian tapir, the only Old World tapir, from the other three tapir species... More	13 Images	0 Videos

Asiatic black bear (Ursus thibetanus)
This Asiatic bear has a similar appearance to its better-known American relative (the American black bear, Ursus americanus) with... More	14 Images	4 Videos

Asiatic wild ass (Equus hemionus)
The Asiatic wild ass is the most horse-like of all the species of ass. The general colour of its coat varies with the seasons... More	27 Images	18 Videos

Assam macaque (Macaca assamensis)
Information on the Assam macaque is currently being researched and written and will appear here... More	7 Images	0 Videos

Atlantic humpbacked dolphin (Sousa teuszii)
The most distinctive feature of this rather elusive cetacean is its distinctive humped appearance when it breaks the... More	2 Images	0 Videos

Atlantic spotted dolphin (Stenella frontalis)
Often observed in the clear, shallow waters surrounding the Bahamas, the Atlantic spotted dolphin is said to be an intermediate... More	35 Images	6 Videos

Australian sea lion (Neophoca cinerea)
Information on the Australian sea lion is currently being researched and written and will appear here... More	31 Images	0 Videos

Aye-aye (Daubentonia madagascariensis)
The bizarre aye-aye is one of the most unusual primates on the planet, so much so that it was originally classified as a rodent.... More	17 Images	7 Videos

Ayres black uakari (Cacajao ayresi)
Information on Ayres black uakari is currently being researched and written and will appear here... More	1 Image	0 Videos

Azara's agouti (Dasyprocta azarae)
Information on Azara's agouti is currently being researched and written and will appear here... More	8 Images	0 Videos

Babirusas (Babyrousa spp.)
This is one of the world's most bizarre looking mammals. Indeed, so bizarre is this animal's appearance that it has inspired some... More	13 Images	10 Videos

Bactrian deer (Cervus elaphus bactrianus)
Information on the Bactrian deer is currently being researched and written and will appear here... More	8 Images	0 Videos

Baiji (Lipotes vexillifer)
After an intensive, but fruitless, search for this rare cetacean in 2006, it is now believed that the baiji may be extinct; which... More	7 Images	0 Videos

Baikal seal (Pusa sibirica)
The Baikal seal is remarkable for being the only pinniped that is restricted solely to a freshwater habitat. Like other pinniped... More	16 Images	3 Videos

Baird's beaked whale (Berardius bairdii)
Information on Baird's beaked whale is currently being researched and written and will appear here... More	10 Images	0 Videos

Baird's tapir (Tapirus bairdii)
Baird's tapir is the largest of the American tapirs and the largest indigenous mammal in Central America. Tapirs are well known for... More	11 Images	6 Videos

Species 1 - 50 of 731 [ next ]

In the news

In the news: Celebrating Darwin

Wednesday 1st July 2009: Celebrating Darwin.
More

What's new in ARKive

Gray wood frog portrait

The gray wood frog was discovered by Charles Darwin in the dense forests of Valdivia, Chile.
More

Darwin's discoveries

Vermilion flycatcher

Darwin noted the Vermillion flycatcher as being the only brightly coloured species on the Galapagos.
More