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Threatened Mammals
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Threatened Mammals
Species
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53
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Maclaud's horseshoe bat (
Rhinolophus maclaudi
)
Information on Maclaud's horseshoe bat is currently being researched and written and will appear here...
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3 Images
0 Videos
Madagascan flying fox (
Pteropus rufus
)
The Madagascan flying fox is the largest of Madagascar's three endemic species of fruit bat. The common name derives from the long...
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9 Images
0 Videos
Madagascan rousette (
Rousettus madagascariensis
)
The Madagascan rousette is the smallest of Madagascar's three endemic fruit bats. The body is greyish-brown on the upperparts, with...
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5 Images
0 Videos
Madame Berthe's mouse lemur (
Microcebus berthae
)
Described as a new species in 2000, the tiny Madame Berthe's mouse lemur is believed to be the world's smallest living primate....
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5 Images
0 Videos
Mahogany glider (
Petaurus gracilis
)
Mahogany gliders were first described in 1883 but for over 100 years were thought to be a subspecies of the more common, squirrel...
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5 Images
2 Videos
Malagasy giant rat (
Hypogeomys antimena
)
The Malagasy giant rat is no ordinary rat and bears little resemblance to its better known cousins, having been isolated on the...
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9 Images
0 Videos
Malagasy narrow-striped mongoose (
Mungotictis decemlineata
)
The Malagasy narrow-striped mongoose is a small carnivore with dense, grizzled, brownish-grey fur and a bushy, brush-like tail....
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2 Images
0 Videos
Malagasy ring-tailed mongoose (
Galidia elegans
)
The most common, widespread and regularly encountered native carnivore of Madagascar is easily recognised by its bushy, ringed tail...
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13 Images
1 Video
Malayan sun bear (
Helarctos malayanus
)
The smallest of the world's eight living bear species, the Malayan sun bear has short, sleek fur which is usually black but can...
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13 Images
8 Videos
Malayan tailless leaf-nosed bat (
Coelops robinsoni
)
This extraordinary-looking bat is small and delicate, with relatively large, rounded and ridge-free ears and a complex noseleaf...
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4 Images
0 Videos
Malayan water shrew (
Chimarrogale hantu
)
This little-known, water-dwelling animal has a body modified for an aquatic life. While it is relatively large for a shrew, the...
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1 Image
0 Videos
Malbrouck monkey (
Chlorocebus cynosuros
)
Information on the malbrouck monkey is currently being researched and written and will appear here...
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3 Images
0 Videos
Mandrill (
Mandrillus sphinx
)
The mandrill is not only the largest monkey in the world, but it is also one of the most distinctive. It has an extremely striking...
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21 Images
14 Videos
Maned three-toed sloth (
Bradypus torquatus
)
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...
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7 Images
1 Video
Maned wolf (
Chrysocyon brachyurus
)
Standing at almost a metre tall, the maned wolf is the largest Canid in South America and the only member of its genus, Chrysocyon....
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16 Images
9 Videos
Mantled howler monkey (
Alouatta palliata
)
Mantled howler monkeys are large, fairly stocky monkeys that are totally black in colour with the exception of a fringe of long...
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9 Images
13 Videos
Marbled cat (
Pardofelis marmorata
)
The marbled cat possesses an unusual mixture of small and big cat characteristics. Although just three kilograms and about the size...
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8 Images
0 Videos
Margaret's haeromys (
Haeromys margarettae
)
Information on Margaret's haeromys is currently being researched and written and will appear here...
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2 Images
0 Videos
Margay (
Leopardus wiedii
)
A beautifully patterned small cat, somewhat larger than a large house cat, the margay varies in colour from tawny yellow to greyish...
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12 Images
0 Videos
Marianas flying fox (
Pteropus mariannus
)
Information on the Marianas flying fox is currently being researched and written and will appear here...
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1 Image
0 Videos
Marine otter (
Lontra felina
)
The smallest of the New World otters, the marine otter displays charisma, charm and dexterity. Males and females look alike with...
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17 Images
3 Videos
Markhor (
Capra falconeri
)
Information on the markhor is currently being researched and written and will appear here...
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19 Images
1 Video
Maroon leaf monkey (
Presbytis rubicunda
)
Information on the maroon leaf monkey is currently being researched and written and will appear here...
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6 Images
0 Videos
Marsh deer (
Blastocerus dichotomus
)
This surprisingly shy and secretive deer is actually the largest native deer species in South America. Marsh deer have large...
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11 Images
1 Video
Masked titi (
Callicebus personatus
)
Information on the masked titi is currently being researched and written and will appear here...
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2 Images
0 Videos
Mauritian flying fox (
Pteropus niger
)
The only fruit bat still to occur on the island of Mauritius, the Mauritian flying fox is a large bat with golden-brown fur, which...
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6 Images
0 Videos
Meadow jumping mouse (
Zapus hudsonius
)
Information on the meadow jumping mouse is currently being researched and written and will appear here...
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1 Image
0 Videos
Mediterranean horseshoe bat (
Rhinolophus euryale
)
Information on the Mediterranean horseshoe bat is currently being researched and written and will appear here...
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7 Images
0 Videos
Mediterranean monk seal (
Monachus monachus
)
The Mediterranean monk seal is one of the most endangered mammals in the world. The description of this species by Aristotle was...
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3 Images
4 Videos
Meerkat (
Suricata suricatta
)
To compare the meerkat to Africa's ‘big five' might seem somewhat fanciful, but this small, charismatic mongoose is undoubtedly one...
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46 Images
5 Videos
Mehely's horseshoe bat (
Rhinolophus mehelyi
)
Information on Mehely's horseshoe bat is currently being researched and written and will appear here...
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2 Images
0 Videos
Mentawai macaque (
Macaca pagensis
)
The Mentawai macaque is one of four primates that inhabit the islands of the same name; all are considered to be threatened and...
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1 Image
0 Videos
Mexican agouti (
Dasyprocta mexicana
)
Information on the Mexican agouti is currently being researched and written and will appear here...
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1 Image
0 Videos
Mexican prairie dog (
Cynomys mexicanus
)
Prairie dogs are highly social rodents that belong to the same family as squirrels. The Mexican prairie dog is the southernmost...
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11 Images
0 Videos
Milne Edwards's sportive lemur (
Lepilemur edwardsi
)
Milne Edwards's sportive lemur is one of the larger of the sportive lemurs, a genus of leaf-eating primates endemic to Madagascar....
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7 Images
0 Videos
Milne-Edwards's sifaka (
Propithecus edwardsi
)
Species information is currently being researched and written and will appear here...
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7 Images
0 Videos
Mindanao gymnure (
Podogymnura truei
)
Gymnures are relatives of hedgehogs, but lack the prickly spines. Found only on a single island, the Mindanao gymnure, whose local...
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6 Images
0 Videos
Mitred leaf monkey (
Presbytis melalophos
)
Information on the mitred leaf monkey is currently being researched and written and will appear here...
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6 Images
0 Videos
Mongoose lemur (
Eulemur mongoz
)
One of the smallest of the five Eulemur species, the mongoose lemur has soft, woolly fur, a relatively long, bushy tail and...
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16 Images
0 Videos
Monito del monte (
Dromiciops gliroides
)
The monito del monte, or ‘monkey of the mountains', is not a monkey, but a South American marsupial, which has often been called...
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1 Image
4 Videos
Moose (
Alces americanus
)
Together with its close relative the Eurasian elk (Alces alces), the moose is the largest living deer species, and is easily...
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33 Images
0 Videos
Mouflon (
Ovis orientalis
)
The males of this exceedingly wary wild sheep have large sickle-shaped horns, which are prized by many a trophy hunter. For most...
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49 Images
2 Videos
Mount Graham red squirrel (
Tamiasciurus hudsonicus grahamensis
)
Information on the Mount Graham red squirrel is currently being researched and written and will appear here...
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2 Images
0 Videos
Mountain anoa (
Bubalus quarlesi
)
This even-toed ungulate is actually a member of the wild cattle subfamily, but due to its small size, it more closely resembles...
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2 Images
0 Videos
Mountain gazelle (
Gazella gazella
)
Of all Gazella species, the mountain gazelle is the most slender built with relatively the longest neck and legs. The coat is fawn...
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19 Images
1 Video
Mountain nyala (
Tragelaphus buxtoni
)
Information on the mountain nyala is currently being researched and written and will appear here...
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18 Images
2 Videos
Mountain pygmy possum (
Burramys parvus
)
The mountain pygmy possum was only known from fossil records until it was discovered in the Australian Alps in 1966. This small...
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4 Images
4 Videos
Mountain tapir (
Tapirus pinchaque
)
The mountain tapir is a 'living fossil'; the smallest of four surviving species of tapir that represent the remnants of a lineage...
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2 Images
2 Videos
Mountain zebra (
Equus zebra
)
This evocative icon of Africa is an immediately recognisable member of the horse family, characterised by its striking pattern...
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30 Images
2 Videos
Moustached guenon (
Cercopithecus cephus
)
A diminutive species of African forest monkey, the moustached guenon's name derives from the crescent-shaped, bright coloured patch...
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5 Images
1 Video
Species
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Latest news
3rd November 2009: IUCN Red List of Threatened Species - Extinction crisis continues.
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What's new in ARKive
The only known images of the Critically Endangered Eskimo curlew.
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Rare images of the Critically Endangered cao-vit crested gibbon.
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Fascinating footage of red kangaroo thermoregulation.
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Rare camera trap images of Diard's clouded leopard.
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An image of the Extinct longnose stubfoot toad.
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Under the Sea
The giant clam is the largest species of bivalve mollusc on fossil record and can weigh up to 300kg.
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The basking shark is the second largest fish in the sea, reaching up to 10 metres in length.
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Leafy seadragons hatch from the male and will reach maturity within 2 years of life.
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Dusky dolphins are inquisitive creatures, as seen here investigating a southern right whale.
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Since the megamouth shark's discovery, only 17 sightings have been recorded of this elusive fish.
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