From Dwarf Fortress Wiki
Chimpanzees are tropical creatures. They can be tamed as pets and they are rather valuable. Nasty little fraggers if they get angry with your herbalist, though if the dwarf has some military training this is not a problem.
[CREATURE:CHIMPANZEE] [NAME:chimpanzee:chimpanzees:chimpanzee] [TILE:'c'][COLOR:0:0:1] [LARGE_ROAMING][FREQUENCY:5] [POPULATION_NUMBER:20:50] [CLUSTER_NUMBER:5:10] [PETVALUE:500] [BENIGN][MEANDERER] [GRASSTRAMPLE:0][NATURAL][PET] [PREFSTRING:antics] [BODY:QUADRUPED:2EYES:2EARS:NOSE:2LUNGS:HEART:GUTS:ORGANS:THROAT:NECK:SPINE:BRAIN:MOUTH:5FINGERS:5TOES] [SIZE:5] [MAXAGE:40:80] [ATTACK:MAIN:BYTYPE:MOUTH:bite:bites:1:6:GORE][ATTACKFLAG_CANLATCH] [CHILD:10] [FAT:2] [DIURNAL] [BIOME_FOREST_TROPICAL_MOIST_BROADLEAF] [BIOME_SHRUBLAND_TROPICAL] [STANDARD_FLESH] [HOMEOTHERM:10067] [LAYERING:100]