Siamang

scientific name

Hylobates syndactylus

size

Armspread. 4+"
Height. 29½-35"
Weight. 23 lbs.
largest gibbon

characteristics

Adaptations/Coloration. fur black " throat sac gray/pink " rump has little callous-like pads for comfortable sitting (especially tree resting)
Movement. long arms & erect posture for brachiation

behavior

territorial
Group. family " close-knit " 3-4 offspring
Voice. very vocal " males scream " females bark " audible 1 mi. " song duet

reproduction/life span

Life span. 25-30 yrs
Mating. monogamous
Sexual Maturity. 7-8 yrs
Gestation. 7-8 mos.
Nest. none
Birth Interval. 2-3 yrs
Birth. 1 " leaves group 6 yrs
Parenting. male spends lots time " takes over daily care 1 yr.

diet

Wild. fruit, leaves, & small invertebrates
Zoo. monkey chow, fruits, & vegetables

habitat/range

rain/monsoon forest canopy " Malay Peninsula & Sumatra

status

US Endangered " CITES App I " due to habitat destruction " SSP (for gibbons) " studbook participant

other

revered by forest people because of resemblance to humans

oregon zoo exhibit

Primates