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Global Mammals

Species 1 - 27 of 27

Babyrousa spp (Babirusas)
The taxonomy of babirusas is controversial, but advisors to the IUCN have recently settled on the division of the Babyrousa genus... More	13 Images	10 Videos

Balaena mysticetus (Bowhead whale)
The bowhead whale is so-called because of its bow-shaped mouth and is black in colour with a whitish chin patch, broken... More	9 Images	7 Videos

Balaenoptera borealis (Sei whale)
The sei whale is smaller in size than the fin whale (Balaenoptera physalus), and can be distinguished from this similar species... More	6 Images	2 Videos

Balaenoptera musculus (Blue whale)
The blue whale is the largest animal to have ever lived, almost as big as a Boeing 737, and even larger than the biggest dinosaurs.... More	10 Images	3 Videos

Balaenoptera physalus (Fin whale)
Fin whales are the fastest of all cetaceans, reaching speeds of 37 kilometres per hour and known to completely clear the water.... More	17 Images	2 Videos

Balionycteris maculata (Spotted-winged fruit bat)
The smallest fruit bat in the world, this species is both charming and beautiful. Its black, dog-like face has large eyes, with... More	3 Images	0 Videos

Beatragus hunteri (Hirola)
Numbers of this rare antelope have recently drastically declined and the species is now in danger of imminent extinction. As the... More	7 Images	0 Videos

Bettongia lesueur (Burrowing bettong)
The burrowing bettong is a marsupial and the only burrowing member of the kangaroo family though, as its other common name, the... More	7 Images	6 Videos

Bison bonasus (European bison)
The European bison, or 'wisent', is similar in appearance to its North American relative (Bison bison). Although smaller in size... More	12 Images	14 Videos

Biswamoyopterus biswasi (Namdapha flying squirrel)
The wonderfully peculiar Namdapha flying squirrel is the only species in the genus Biswamoyopterus. Like other flying squirrels... More	1 Image	0 Videos

Blastocerus dichotomus (Marsh deer)
This surprisingly shy and secretive deer is actually the largest native deer species in South America. Marsh deer have large... More	11 Images	0 Videos

Bos frontalis (Gaur)
The gaur is one of the larger of the wild cattle, and individuals can reach over 2 metres at the shoulder. The sleek, dark coat... More	16 Images	8 Videos

Bos grunniens (Wild yak)
A huge and imposing hulk of an animal, the wild yak has stocky, high and humped shoulders and a broad, drooping head. Both males... More	3 Images	1 Video

Bos javanicus (Banteng)
The handsome banteng largely resembles domestic cattle both in size and colour, but also demonstrates considerable sexual... More	14 Images	3 Videos

Bos sauveli (Kouprey)
The kouprey was last seen in 1988, making this bovid one of the most endangered and mysterious large mammals in the world. It has... More	1 Image	1 Video

Brachyteles arachnoides (Southern muriqui)
The muriqui, or woolly spider monkey, is the largest New World primate, and in the late 1980s was recognised as two distinct... More	3 Images	3 Videos

Brachyteles hypoxanthus (Northern muriqui)
The muriqui, or woolly spider monkey, is the largest New World primate, and in the late 1980s was recognised as two distinct... More	5 Images	5 Videos

Bradypus pygmaeus (Pygmy three-toed sloth)
With only a small population confined to a single tiny island off the coast of Panama, the pygmy three-toed sloth is the most... More	2 Images	3 Videos

Bradypus torquatus (Maned three-toed sloth)
The maned three-toed sloth is the rarest of the five sloth species and is only found in Brazil. The name refers to its black mane... More	7 Images	1 Video

Bubalus bubalis (Asian buffalo)
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

Bubalus depressicornis (Lowland anoa)
This small water buffalo is found in Indonesia. Indeed, anoa is the Sulawesi word for buffalo. This species is characterised by its... More	3 Images	5 Videos

Bubalus mindorensis (Tamaraw)
The tamaraw is the largest mammal native to the Philippines, and also has the distinction of being one of the rarest mammals... More	5 Images	0 Videos

Bubalus quarlesi (Mountain anoa)
This even-toed ungulate is actually a member of the wild cattle subfamily, but due to its small size, it more closely resembles... More	2 Images	0 Videos

Budorcas taxicolor (Takin)
The takin is one of the larger and stockier of the goat antelopes. Short, stocky legs are supported on large two-toed hooves, which... More	13 Images	3 Videos

Bunolagus monticularis (Riverine rabbit)
This elegant rabbit is one of the most endangered terrestrial mammals in Southern Africa. It has very long ears, a soft and silky... More	4 Images	0 Videos

Bunopithecus hoolock (Hoolock gibbon)
Hylobates means ‘dweller in trees' and, as one of the most agile animals of the forests, the gibbon certainly suited its old name.... More	7 Images	13 Videos

Burramys parvus (Mountain pygmy possum)
The mountain pygmy possum was only known from fossil records until it was discovered in the Australian Alps in 1966. This small... More	4 Images	4 Videos

Species 1 - 27 of 27

In the news

Female fishing cat

2008 IUCN Red List of Threatened Species™
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What's new in ARKive

Adult female Speke's gazelle with inflated nasal sac

Updated species information for the Speke's gazelle.
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Red List Revisions

Atlantic petrel chick on nest

Introduced rodent predators threaten Atlantic petrel chicks on their island breeding grounds.
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