Black lion tamarin (Leontopithecus chrysopygus)

Black lion tamarin
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Black lion tamarin fact file

Black lion tamarin description

GenusLeontopithecus (1)

The squirrel-sized black lion tamarin (Leontopithecus chrysopygus) is one of the world's most endangered mammals (4). Also known as the golden-rumped lion tamarin, this species has glossy black fur with varying amounts of reddish-golden fur on the rump, thighs and base of the tail (2) (5). The long mane framing the face is black. Like the closely related golden lion tamarin, the black lion tamarin has long digits that are used to forage for small insects (5).

Also known as
Golden-rumped lion tamarin.
540 – 690 g (2)

Black lion tamarin biology

This species eats fruits, insects, flowers, nectar, berries, seeds, young leaves, bird eggs and small vertebrates such as frogs, lizards and nestlings (2). The black lion tamarin is active in the day and arboreal, sleeping in tree holes at night. Black lion tamarins live in groups of around two to three adults and their offspring, and social bonds are maintained through food sharing and calling (5). Vocalisations and scent marking also serve to broadcast the presence of a group within their territory (5); the hair may stand on end during aggressive exchanges over territorial issues (5). Other forms of communication include shrill, bird-like vocalisations and a few facial expressions (6). All lion tamarins tend to give birth to twins, but triplets and quadruplets have also been observed (5).


Black lion tamarin range

Recorded only from the interior region of the Brazilian state of São Paulo (4). The black lion tamarin was believed to be extinct from 1905, until it was rediscovered in 1970 in a reserve in south-western São Paulo. At that time it was estimated that the population numbered fewer than 100 individuals (4). At present, about six populations are known, and the number of remaining individuals is estimated to be less than 1,000 (6).


Black lion tamarin habitat

The black lion tamarin inhabits remnants lowland semi-deciduous forest and macega, which consists of low bushy trees (2) (5).


Black lion tamarin status

The black lion tamarin is classified as Endangered (EN) on the IUCN Red List (1), and listed on Appendix I of CITES (3).

IUCN Red List species status – Endangered


Black lion tamarin threats

Over 90 percent of the Atlantic forest in Brazil has been lost to logging, development and cultivation. The species is also vulnerable to fire and hunting (4). Areas of prime habitat occur in and around the Morro do Diabo State Park; however, five percent of this area was flooded in the early 1980's, following the construction of a hydroelectric plant (7). The remaining black lion tamarin populations have been isolated for some time, and studies have shown that genetic diversity is extremely low as a result of inbreeding (7). Inbreeding depression, which can reduce the fitness of the population in terms of survival, reproductive capacity and growth, is therefore a cause for concern in this species.


Black lion tamarin conservation

A long-term programme of conservation and environmental education targeting the black lion tamarin is underway (7). An important measure to combat the effects of inbreeding will be to allow movement of individuals between the isolated sub-populations. This can occur through translocations of individuals or by creating corridors between habitat patches to facilitate movement between populations (4). Corridors have already been planted and some translocations have occurred (7). There is currently a captive population of around 100 individuals, which require the occasional incorporation of wild individuals to maintain genetic variation (7).

To learn more about a Whitley Award-winning conservation project for this species, click here.
View information on this species at the UNEP World Conservation Monitoring Centre.

Find out more

For further information on conservation in Brazil:



Authenticated (17/12/2005) by Matt Richardson, independent primatologist and writer.



Living in trees.
Inbreeding depression
The reduction in viability, birth weight, and fertility that occurs in a population after one or more generations of inbreeding (interbreeding amongst close relatives).
Describes an animal, a pair of animals or a colony that occupies and defends an area.
An area occupied and defended by an animal, a pair of animals or a colony.
The transfer of individuals of living organisms from one area with release or planting in another.


  1. IUCN Red List (April, 2011)
  2. Richardson, M. (2005) Pers. comm.
  3. CITES (January, 2002)
  4. Animal Info (January, 2002)
  5. Primate Info Net (January, 2002)
  6. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, London.
  7. Padua, C.V. and Padua, S.M. (2000) Conservation of black lion tamarins (Leontopithecus chrysopygus) in the Atlantic forest of the interior, Brazil. Society for Conservation Biology Newsletter, 7(1): 0 - 0. Available at:

Image credit

Black lion tamarin  
Black lion tamarin

© Luiz Claudio Marigo /

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