Table 1.

Subject information.

Subject	Individual number	Sex	Age, years	Mass, kg	Cause of death	Name of institution
Mouse lemur	M	Female	8	92 × 10−3	Euthanized	Biology & Health Department, University of Montpellier II, France
Brown lemur	E	Male	> 20	3.2	Euthanized	Inst. f. Spezielle Zoologie, Friedrich-Schiller-Universität Jena, Germany
White-handed gibbon	G	Female	22	6.5	Intestinal congestion	Royal Zoological Society Antwerp, Belgium
Orangutan	O	Female	12	42	Drowning	Tierpark Hagenbeck, Hamburg, Germany
Bonobo	B	Female	18	38	Drowning	Zoo Antwerpen, Belgium
Common chimpanzee	C1	Female	23	56	?	Belfast Zoological Gardens, Nothern Ireland
Common chimpanzee	C2	Male	34	62	Pulmonary embolism	Zoologischer Garten, Halle, Germany
Common chimpanzee	C3	Male	56	45	Respiratory arrest	Zoologischer Garten, Landau, Germany