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| STATISTICS |
| GREAT APES IN THE WILD (FAMILY HOMINIDAE) |
| PONGO PYMAEUS 1 |
|
BORNEAN ORANGUTAN |
|
54,000 Est. |
| Pongo p. pygmaeus |
|
|
|
3,000 - 4,500 Est. |
| Pongo p. wurmbii |
|
|
|
35,000 Est. |
| Pongo p. morio |
|
|
|
15,000 Est. |
|
| PONGO ABELLI 1 |
|
SUMATRAN ORANGUTAN |
|
6,600 Est. |
|
| GORILLA GORILLA |
|
WESTERN GORILLA |
|
94,700 Est. |
| Gorilla g. gorilla |
|
Western Lowland gorilla |
|
94,500 Est. |
| Gorilla g. diehli |
|
Cross River gorilla |
|
200 Est. |
|
| GORILLA BERINGEI |
|
EASTERN GORILLA |
|
17,500 Est. |
| Gorilla b. beringei 2 |
|
Mountain gorilla |
|
700 Est. |
| Gorilla b. graueri |
|
Eastern Lowland gorilla |
|
16,900 Est.* |
|
| PAN TROGLODYTES 3 |
|
CHIMPANZEE |
|
203,000 Est. |
| Pan t. schweinfurthii |
|
Eastern chimpanzee |
|
76,400-119,600 Est. |
| Pan t. verus |
|
Western chimpanzee |
|
21,300-55,600 Est. |
| Pan t. troglodytes |
|
Central chimpanzee |
|
70,000-116,500 Est. |
| Pan t. vellerosus |
|
Nigeria chimpanzee |
|
5,000-8,000 Est. |
|
| PAN PANISCUS |
|
BONOBO |
|
20,000 - 50,000 Est. |
|
| HOMO SAPIENS |
|
HUMAN |
|
6 Billion + Est. |
|
| *ALERT: Conservation International
press release (March 30, 2004) stated number has declined 70% since
1994 and is currently at 5,000 individuals
Taxonomy credited to Groves, C. P. (2001). Primate
Taxonomy. Smithsonian Institution Press: Washington,
D.C.
Unless otherwise cited below, great ape population
numbers are from Butynski, T.M. (2001) Africa’s Great Apes.
In: Great Apes and Humans: the Ethics of Coexistence.
Beck, B., Stoinski, T.S., Hutchins, M., Maple, T.L., Norton, B.,
Rowan, A., Stevens, E.F. and Arluke, A. (eds.) Smithsonian Institution
Press, Washington, D.C. pp.3-56.
| 1 |
Wich, S.A.; Meijaard, E.; Marshall, A.J.; Husson, S.; Ancrenaz, M.; Lacy, R.C.; van Shaik, C.P.; Sugardjito, J.; Simorangkir, T.; Traylor-Holzer, K.; Doughty, M.; Supriatna, J.; Dennis, R.; Gumal, M.; Knott, C.D. and Singleton, I. (2008) Distribution and Conservation Status of the Orang-utan (Pongo spp.) on Borneo and Sumatra: how many remain? Fauna & Floral International, Oryx, 42(3), 1-11. |
| 2 |
Dian Fossey Gorilla Fund International (2004) |
| 3 |
This portion of the table was adapted from Butynski, T.M. (2001) and updated in the IUCN West African Chimpanzee Status Survey and Conservation Action Plan (2003). |
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