Mountain anoa (Bubalus quarlesi)

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Mountain anoa amongst vegetation
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Mountain anoa fact file

Mountain anoa description

KingdomAnimalia
PhylumChordata
ClassMammalia
OrderCetartiodactyla
FamilyBovidae
GenusBubalus (1)

This even-toed ungulate is actually a member of the wild cattle subfamily, but due to its small size, it more closely resembles a deer. Unlike the larger, short-haired lowland anoa, the mountain anoa has a longer, woolly coat which can be dark brown to black in colour. It moults every year between February and April, losing this woolly layer of fur to reveal light spots on the head, neck and limbs (5). The relatively small horns are evident in both males and females, and are conical and smooth (4). The mountain anoa is stocky, short-limbed and thick-necked (4).

Synonyms
Anoa quarlesi.
French
Anoa De Quarle, Anoa Des Montagnes.
Spanish
Anoa De Montaña.
Size
Head-body length: 150 cm (2)
Tail length: 24 cm (2)
Shoulder height: 70 cm (2)
Horn length: 15 – 20 cm (2)
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Mountain anoa biology

The elusive mountain anoa appears to be a solitary animal, although suggestions that monogamous pairs remain together have been made, and there is evidence that females form herds when giving birth (5). Breeding is continuous throughout the year, with one calf born from each pregnancy lasting 275 to 315 days. Mothers will groom and protect their calves, but it is unknown how much involvement the male has with the rearing of the calf. Weaning has been assumed to take place at six to nine months, a similar length of time as for the lowland anoa. The mountain anoa is sexually mature at two years. It is not thought to be territorial, and is known to be most active in the morning and the late afternoon when they feed on vegetation and bathe in water and mud pools, spending the remaining time resting and ruminating (4) (5).

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Mountain anoa range

The mountain anoa is endemic to Indonesia, being present only in the province of Sulawesi and the nearby island of Buton (1) (5).

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Mountain anoa habitat

Very little is known about the habitat preferences of the mountain anoa, since it is a shy and little-studied animal. It is known to live at altitudes of between 500 and 2000 metres (1) (4), but reports differ on preferred habitats. Some say that the mountain anoa inhabits areas of dense forest that are vegetationally diverse, whereas other report that it likes areas of relatively open forest with a high density of understory plants in the vicinity of open areas and water sources. However, reports agree that mountain anoa cannot coexist with humans, which is unusual amongst the wild cattle of southeast Asia (1) (6).

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Mountain anoa status

The mountain anoa is classified as Endangered (EN C1 + 2a) on the IUCN Red List 2003 (1) and is listed on Appendix I of CITES (3). It is also listed as Endangered on the US Endangered Species Act (4) and is fully protected under Indonesian law (1).

IUCN Red List species status – Endangered

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Mountain anoa threats

This species is thought to have been in decline since 1900, and is known to have been declining since 1980. The major pressure on population numbers is habitat loss due to increasing agricultural land, forestry operations and deforestation for human settlement (1). Despite being protected under Indonesian law, mountain anoas are known to be shot by the military, possibly because they are thought to be aggressive when startled, and capable of harming humans. Hunting anoas for the meat, fur and horns still takes place even in protected sites such as nature reserves (1)

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Mountain anoa conservation

Ongoing status surveys and genetic research are intended for use in clarifying the taxonomic ranking of mountain and lowland anoas, which is necessary before captive breeding of these species can take place. Whilst the mountain anoa has been protected in Indonesia since 1931, protected areas are poorly managed and enforcement is clearly an issue, even within the military (1) (4).

View information on this species at the UNEP World Conservation Monitoring Centre.
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Find out more

For further information about different wild cattle species see:

MacDonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.

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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk
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Glossary

Monogamous
Mating with a single partner.
Rumination
A digestive process typified by the chewing of cud, which enables plant cellulose walls to be broken down in the stomach for energy. The vegetation is stored, regurgitated for more chewing, then broken down by specialised bacteria.
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References

  1. The IUCN Red List (October, 2004)
    http://www.redlist.org
  2. MacDonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
  3. CITES (October, 2004)
    http://www.cites.org
  4. Bison, Buffalo and Cattle Taxon Advisory Group (October, 2004)
    http://www.csew.com/cattletag/Cattle%20Website/Fact_Sheets/Anoa/Anoa.htm
  5. Animal Diversity Web (October, 2004)
    http://animaldiversity.ummz.umich.edu/site/accounts/information/Bubalus_quarlesi.html
  6. Animal Info (October, 2004)
    http://www.animalinfo.org/species/artiperi/anoaquar.htm
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Image credit

Mountain anoa amongst vegetation  
Mountain anoa amongst vegetation

© Alain Compost / Biosphoto

Biosphoto
16 rue Velouterie
Avignon
84000
France
Tel: +33 (490) 162 042
Fax: +33 (663) 208 434
http://www.biosphoto.com/

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