Stolen Apes

...and population estimates

IUCN Red List category

Population estimates Thousands

Cross River gorilla

0.30

1980

1985

1990

1995

2000

2005

2010

Mountain gorilla

0.88

1980

1985

1990

1995

2000

2005

2010

Eastern Lowland gorilla

2 10

1980

1985

1990

1995

2000

2005

2010

15

Bonobo

1980

1985

1990

1995

2000

2005

2010

20

Western Lowland gorilla

150

1980

1985

1990

1995

2000

2005

2010

Vulnerable

Endangered

Critically Endangered

Chimpanzee

431

1980

1985

1990

1995

2000

2005

2010

294

Source: IUCN online database, accessed on February 2013

21