name = Tapir

image_caption = Brazilian Tapir
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = Perissodactyla
familia = Tapiridae
familia_authority = Gray, 1821
genus = "Tapirus"
genus_authority = Brünnich, 1772
subdivision_ranks = Species
subdivision = "Tapirus bairdii" "Tapirus indicus" "Tapirus pinchaque" "Tapirus terrestris"

Tapirs (pronEng|ˈteɪpɚ, as in "taper", or IPA|/təˈpɪər/, as "ta-pier") are large browsing mammals, roughly pig-like in shape, with short, prehensile snouts. They inhabit jungle and forest regions of South America, Central America, and Southeast Asia. All four species of tapir are classified as endangered or vulnerable. Their closest relatives are the other odd-toed ungulates, including horses and rhinoceroses.


There are four tapir species:
*Baird's Tapir, "Tapirus bairdii"
*Malayan Tapir, "Tapirus indicus"
*Mountain Tapir, "Tapirus pinchaque"
*Brazilian Tapir (also called Lowland Tapir), "Tapirus terrestris"


Hybrid tapirs from the Baird's Tapir and the Brazilian Tapir were bred at the San Francisco Zoo around 1969 and produced a second generation around 1970. [ [http://www.tapirback.com/tapirgal/tbtap015.htm Pictures of "T. bairdii x T. terrestris" cross] taken by Sheryl Todd, The Tapir Gallery, web site of the Tapir Preservation Fund]

General appearance

Size varies between types, but most tapirs are about 2 meters (7 ft) long, stand about a meter (3 ft) high at the shoulder, and weigh between 150 and 300 kg (330 to 700 lb). Coats are short and range in color from reddish-brown to grey to nearly black, with the notable exceptions of the Malayan Tapir, which has a white saddle-shaped marking on its back, and the Mountain Tapir, which has longer, woolly fur. All tapirs have oval, white-tipped ears, rounded, protruding rumps with stubby tails, and splayed, hoofed toes, with four toes on the front feet and three on the hind feet, which help them walk on muddy and soft ground. Baby tapirs of all types have striped-and-spotted coats for camouflage. Females have a single pair of mammary glands. [Gorog, A. 2001. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Tapirus_terrestris.html "Tapirus terrestris"] , Animal Diversity Web. Accessed June 19, 2006]

Physical characteristics

The proboscis of the tapir is a highly flexible structure, able to move in all directions, allowing the animals to grab foliage that would otherwise be out of reach. Tapirs often exhibit the flehmen response, a posture in which they raise their snouts and show their teeth, in order to detect scents. This response is frequently exhibited by bulls sniffing for signs of other males or females in oestrus in the area. Proboscis length varies among species; Malayan Tapirs have the longest snouts and Brazilian Tapirs have the shortest. [Witmer, Lawrence, Scott D. Sampson, and Nikos Solounias. [http://www.oucom.ohiou.edu/dbms-witmer/Downloads/Witmer%20et%20al%20-%20tapir.pdf “The proboscis of tapirs (Mammalia: Perissodactyla): a case study in novel narial anatomy”] . Journal of Zoology, 1999, The Zoological Society of London; page 251] The evolution of tapir probosces, made up almost entirely of soft tissues rather than bony internal structures, gives the "Tapiridae" skull a unique form in comparison to other perissodactyls, with a larger sagittal crest, orbits positioned more rostrally, a posteriorly telescoped cranium, and a more elongated and retracted nasoincisive incisure. [Witmer, page 249] [Colbert, Dr. Matthew, 2002, [http://digimorph.org/specimens/Tapirus_terrestris/index.phtml "Tapirus terrestris"] (On-line), Digital Morphology. Accessed June 20, 2006]

Tapirs have brachyodont, or low-crowned, teeth that lack cement. Their dental formula is dentition2||3.1.3-4.3 totaling 42 to 44 teeth; this dentition is closer to that of equids, who may differ by one less canine, than their other perissodactyl relatives, rhinoceroses. [Ballenger, L. and P. Myers. 2001. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Tapiridae.html "Tapiridae"] (On-line), Animal Diversity Web. Accessed June 20, 2006] [Huffman, Brent. [http://www.ultimateungulate.com/Perissodactyla.html Order Perissodactyla] at Ultimate Ungulate] Their incisors are chisel-shaped, with the third large, conical upper incisor separated by a short gap from the considerably smaller canine. A much longer gap is found between the canines and premolars, the first of which may be absent. [" [http://www.1911encyclopedia.org/P/PE/PERISSODACTYLA.htm PERISSODACTYLA."] LoveToKnow 1911 Online Encyclopedia] Tapirs are lophodonts, and their cheek teeth have distinct lophs (ridges) between protocones, paracones, metacones and hypocones. [Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. [http://animaldiversity.ummz.umich.edu/site/topics/mammal_anatomy/tooth_diversity.html The Diversity of Cheek Teeth.] The Animal Diversity Web (online). Accessed June 20, 2006] [Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. [http://animaldiversity.ummz.umich.edu/site/topics/mammal_anatomy/cheek_teeth_structure.html The Basic Structure of Cheek Teeth.] The Animal Diversity Web (online). Accessed June 20, 2006]

Tapirs have brown eyes, often with a bluish cast to them which has been identified as corneal cloudiness, a condition most commonly found in Malayan Tapirs. The exact etiology is unknown, but the cloudiness may be caused by excessive exposure to light or by trauma. [ [http://www.tapirback.com/tapirgal/describd.htm Tapirs Described] , the Tapir Gallery] [Janssen, Donald L., DVM, Dipl ACZM, Bruce A. Rideout, DVM, PhD, Dipl ACVP, Mark E. Edwards, PhD. [http://www.tapirback.com/reprints/aazv1.htm "Medical Management of Captive Tapirs "(Tapirus sp.)"."] 1996 American Association of Zoo Veterinarians Proceedings. Nov 1996. Puerto Vallarta, Mexico. Pp. 1-11] However, the tapir's sensitive ears and strong sense of smell help to compensate for deficiencies in vision.


Young tapirs reach sexual maturity between three and five years of age, with females maturing earlier. [ [http://www.zoo.org/educate/fact_sheets/tapir/tapir.htm Woodland Park Zoo Animal Fact Sheet: Malayan Tapir "(Tapirus indicus)"] ] Under good conditions, a healthy female tapir can reproduce every two years; a single youngster is born after a gestation of about 13 months. The natural lifespan of a tapir is approximately 25 to 30 years, both in the wild and in zoos. [Morris, Dale. [http://www.tapirspecialistgroup.org/Downloads/news-articles/WL_MAR05_Tapir_FINAL.pdf “Face to face with big nose.”] "BBC Wildlife," March 2005, page 37.] Apart from mothers and their young offspring, tapirs lead almost exclusively solitary lives.


Although they frequently live in dryland forests, tapirs with access to rivers spend a good deal of time in and under the water, feeding on soft vegetation, taking refuge from predators, and cooling off during hot periods. Tapirs near a water source will swim, sink to the bottom and walk along the riverbed to feed, and have been known to submerge themselves under water to allow small fish to pick parasites off their bulky bodies. [Morris, page 36.] Along with fresh water lounging, tapirs often wallow in mud pits, which also helps to keep them cool and free of insects.

In the wild, the tapir’s diet consists of fruit, berries, and leaves, particularly young, tender growth. Tapirs will spend many of their waking hours foraging along well-worn trails, snouts to the ground in search of food. Baird’s Tapirs have been observed to eat around 40 kilograms (85 pounds) of vegetation in one day. [ [http://www.tapirback.com/tapirgal/tpf-news/2001/tpfn0107.htm TPF News] , Tapir Preservation Fund, Vol. 4, No. 7, July 2001. See section on study by Charles Foerster.]

Tapirs are largely nocturnal and crepuscular, although the smaller Mountain Tapir of the Andes is generally more active during the day than its congeners. They have monocular vision.

Copulation may occur in or out of water, and in captivity, mating pairs will often copulate multiple times during oestrus. [ [http://www.tapirs.org/Downloads/standards/tapir-TAG-min-hus-guide-eng.doc Minimum Husbandry Standards: Tapiridae (tapirs)] ] [ [http://animaldiversity.ummz.umich.edu/site/accounts/information/Tapirus_terrestris.html Animal Diversity Web] fact sheet on Tapirus terrestris]

Habitat, predation, and vulnerability

Adult tapirs are large enough that they have few natural predators, and the thick skin on the backs of their necks helps to protect them from threats such as jaguars, crocodiles, anacondas, and tigers. The creatures are also able to run fairly quickly, considering their size and cumbersome appearance, finding shelter in the thick undergrowth of the forest or in water. Hunting for meat and hides has substantially reduced their numbers and, more recently, massive habitat loss has resulted in the conservation watch-listing of all four species: both the Brazilian Tapir and the Malayan Tapir are classified as vulnerable; and the Baird’s Tapir and the Mountain Tapir are endangered. Tapirs tend to prefer old growth forests and the food sources that can be found in them, making the preservation of primary woodlands a top priority for tapir conservationists.

Evolution and Natural History

The first tapirids, such as "Heptodon", appeared in the early Eocene. [Ballenger, L. and P. Myers. 2001. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Tapiridae.html Family Tapiridae] (On-line), Animal Diversity Web. Accessed November 22, 2007.] They appeared very similar to modern forms, but were about half the size, and lack the proboscis. The first true tapirs, appeared in the Oligocene, and by the Miocene, such genera as "Miotapirus" were almost indistinguishable to the extant species. It is believed that Asian and American tapirs diverged around 20 to 30 million years ago, and that tapir varieties moved from North America to Central and South America around 3 million years ago. [Ashley, M.V., Norman, J.E. and Stross, L.: "Phylogenetic analysis of the perissodactylan family tapiridae using mitochondrial cytochrome c oxidase (COII) sequences." "Mammal Evolution." 3:315-326, 1996.] For much of their history, tapirs were spread across the northern hemisphere, where they became extinct as recently as 10,000 years ago. [cite book |editor=Palmer, D.|year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals|publisher= Marshall Editions|location=London|pages= 261|isbn= 1-84028-152-9]

It is also believed by some scientists that the tapir may have evolved from the Hyracotherium (primitive horse). [ [http://www.flmnh.ufl.edu/fhc/hyraco3.htm Florida Museum of Natural History Fact Page] ]


The four species of tapir have the following chromosomal numbers:

Malayan tapir, "T. indicus"2n = 52
Mountain tapir, "T. pinchaque"2n = 76
Baird's tapir, "T. bairdii"2n = 80
Brazilian tapir, "T. terrestris"2n = 80

The Malayan tapir, the species most isolated geographically from the rest of the genus, has a significantly smaller number of chromosomes and has been found to share fewer homologies with the three types of American tapirs. A number of conserved autosomes (13 between karyotypes of the Baird’s Tapir and Brazilian Tapir, and 15 between the Baird’s and Mountain Tapir) have also been found in the American species that are not found in the Asian animal. However, geographic proximity is not an absolute predictor of genetic similarity; for instance, G-banded preparations have revealed that Malayan, Baird’s and Brazilian Tapirs have identical X chromosomes, while Mountain Tapirs are separated by a heterochromatic addition/deletion. [Houck, M.L., S.C. Kingswood, A.T. Kumamoto. [http://content.karger.com/ProdukteDB/produkte.asp?Aktion=ShowFulltext&ProduktNr=224037&Ausgabe=225363&ArtikelNr=15587 “Comparative cytogenetics of tapirs, genus "Tapirus" ("Perissodactyla, Tapiridae")] . "Cytogenetics and Cell Genetics" 2000; 89: 110-115 (DOI: 10.1159/000015587)]

Lack of genetic diversity in tapir populations has become a major source of concern for conservationists. Habitat loss has isolated already small populations of wild tapirs, putting each group in greater danger of dying out completely. Even in zoos, genetic diversity is limited; all captive mountain tapirs, for example, are descended from only two founder individuals. [ [http://www.cmzoo.org/mountaintapir.html Mountain Tapir Conservation at the Cheyenne Mountain Zoo] ]


There are a number of conservation projects around the world. The Tapir Specialist Group, a unit of the IUCN Species Survival Commission, strives to conserve biological diversity by stimulating, developing, and executing practical programs to study, save, restore, and manage the four species of tapir and their remaining habitats in Central and South America and Southeast Asia. [ [http://tapirs.org/about-tsg/index-about.html About the Tapir Specialist Group] ]

The Baird's Tapir Project of Costa Rica is the longest ongoing tapir project in the world, having started in 1994. It is currently led by Kendra Bauer and involves placing radio collars on tapirs in Costa Rica's Corcovado National Park to study their social systems and habitat preferences. [ [http://savetapirs.org/ Baird's Tapir Project of Costa Rica] ]

27 April 2008, is World Tapir Day. The day has been established to raise awareness about the four species of tapir that inhabit Central and South America and South-East Asia. [ [http://www.tapirday.org/index.php?option=com_content&view=article&id=50&Itemid=28 About World Tapir Day] ]

Attacks on humans

Tapirs are generally shy, but when they are scared they can defend themselves with their very powerful jaws. In 1998, a zookeeper in Oklahoma City was mauled and had an arm severed by a tapir bite, after she attempted to feed the attacking tapir's young. [ [http://www.igorilla.com/gorilla/animal/tapir_attack_in_Oklahoma_City_PartTwo.html "Woman's arm bitten off in zoo attack"] , Associated Press report by Jay Hughes, 20 Nov 1998] In 2006, a 46-year-old man (who was the Environmental Minister at the time) who was lost in the Corcovado National Park at Costa Rica was found by a search party with a "nasty bite" from a wild tapir. [ [http://www.alertnet.org/thenews/newsdesk/N22395861.htm "Lost Costa Rica minister found with tapir bite"] , Reuters, 23 Apr 2006 01:11:51 GMT] However, such examples are rare; for the most part, tapirs are likely to avoid confrontation in favor of running from predators, hiding, or, if possible, submerging themselves in nearby water until a threat is gone. [Goudot, Justin. "Nouvelles observations sur le Tapir Pinchaque (Recent Observations on the Tapir Pinchaque)," "Comptes Rendus," Paris 1843, vol. xvi, pages 331-334. Available [http://www.tapirback.com/reprints/goudot1.htm online] with English translation by Tracy Metz. Report contains accounts of wild Mountain Tapirs shying away from human contact at salt deposits after being hunted, and hiding. ]

Cultural references

In Chinese, Korean and Japanese, the tapir is named after a beast from Chinese mythology. A feature of this mythical creature is a snout like that of an elephant. In Japanese folklore, tapirs can eat people's dreams. In Chinese, the name of this beast, subsequently the name of the tapir, is "mò" in Mandarin and "mek" in Cantonese (貘). The Korean equivalent is "maek" (Hangul: 맥, Hanja: 貊), while it is called "baku" (バク) in Japanese. The Chinese file hosting service Mofile has been referred to as the tapir by Chinese-speaking users.

villagers. [ [http://www.tapirs.org/news/interviews/apocalypto-interview.html] The First Tapir Movie Star?]


External links

* [http://www.tapirs.org IUCN/SSC Tapir Specialist Group]
* [http://www.tapirback.com/tapirgal/ The Tapir Gallery at The Tapir Preservation Fund website]
* [http://www.tapirday.org/ World Tapir Day website]
* [http://www.tapirs.org/ Tapir Specialist Group website]
* [http://savetapirs.org/ Baird's Tapir Project of Costa Rica]
* [http://www.zoonews.ws/IZN/300/Tapir.html In the Name of the Tapir: Confusions and Conclusions] a paper by Stefan Seitz about misidentification of tapirs by zoo visitors, including a zoological description of tapirs in rhyme

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