| NAME OF ANIMAL | DESCRIPTION |
| SIAMANG | SIAMANGS HAVE LONG, SHAGGY, BLACK FUR, WITH PALER HAIRS AROUND THEIR MOUTHS AND CHINS. THEY ARE TAILLESS, LIKE OTHER APES. A UNIQUE CHARACTERISTIC IS THE WEBBING BETWEEN THEIR SECOND AND THIRD TOES ON EACH FOOT. ANOTHER DEFINING FEATURE IS A LARGE, GRAY OR PINK THROAT SAC, CALLED A GULAR SAC, WHICH INFLATES DURING VOCALIZATION AND CAN BECOME AS LARGE AS THE SIAMANG’S HEAD. SIAMANGS ARE ARBOREAL AND DIURNAL, SPENDING THEIR DAYS SWINGING THROUGH THE TREES, A FORM OF LOCOMOTION CALLED BRACHIATION. |
| MEASUREMENT | MALE | FEMALE |
| HEAD TO BODY LENGTH | 29 TO 35 INCHES ( 73.7- 88.9 CM ) | 71-90 CM ( 28.0- 35.4 INCHES ) |
| SHOULDER HEIGHT | 29.5 TO – 35.0 INCHES ( 2.5 FEET ) | 3.3 FEET ( 1 METER ) |
| HEIGHT | 3.3 FEET ( 1.0 METER ) | 3.3 FEET ( 1.0 METER ) |
| WEIGHT | 31 POUNDS (14 KG ) | 23 POUNDS ( 10.5 KG ) |
| CHARACTERISTICS | DESCRIPTION |
| RANGE | SIAMANGS LIVE IN SUMATRA AND THE MALAY PENINSULA, TYPICALLY AT HIGHER ALTITUDES. |
| HABITAT | SIAMANGS INHABIT THE RAINFORESTS AND MONSOON FORESTS |
| PRIMARY DIET | OMNIVORE |
| FOOD HABITATS | CONSISTING MOSTLY OF FRUIT AND LEAVES, BUT THEY ALSO EAT FLOWERS, INSECTS, SPIDERS, SMALL VERTEBRATES, AND BIRD EGGS. |
| CONSERVATION STATUS | ENDANGERED |
| REASON FOR THE STATUS | PRIMARILY DUE TO HABITAT LOSS FROM DEFORESTATION FOR LOGGING AND AGRICULTURE (ESPECIALLY PALM OIL), AND POACHING FOR THE ILLEGAL PET TRADE. |
| CHARACTERISTICS | DESCRIPTION: REPRODUCTION & BEHAVIOR |
| GESTATION PERIOD | 71/2 MONTHS |
| YOUNG PER BIRTH | 2-3 YEARS |
| WEANING | 18-24 MONTHS |
| LIFESTYLE | SIAMANGS LIVE IN FAMILY GROUPS OF A MATED PAIR AND THEIR OFFSPRING, UP TO THREE IN NUMBER. SUCH A GROUP LIVES IN A STABLE HOME RANGE, 15 TO 35 HECTARES IN SIZE, MOST OF WHICH THEY DEFEND AS A TERRITORY. THE PARENTS MARK THEIR TERRITORY BY SINGING A DUET. IF AN INTRUDER (INCLUDING A HUMAN) ENTERS THEIR TERRITORY, A MALE WILL CONFRONT IT, WHILE THE FEMALE USUALLY RETREATS OUT OF SIGHT. THESE GIBBONS WAKE AT SUNRISE AND FIRST PERFORM THEIR MORNING “CONCERT”. THEY THEN SET OUT TO FIND FOOD. IT GENERALLY TAKES SIAMANGS AROUND FIVE HOURS TO EAT ENOUGH TO BE SATISFIED. |
| SEXUAL MATURITY | 6-7 YEARS |
| BEHAVIOR | SIAMANGS ARE HIGHLY SOCIAL PRIMATES KNOWN FOR THEIR UNIQUE VOCALIZATIONS, STRONG FAMILY BONDS, AND COMPLEX BEHAVIORS, INCLUDING TERRITORIAL DISPLAYS AND COOPERATIVE PARENTING. |
| MAIN PREADATOR | LARGE BIRDS OF PREY AND SNAKES |
| LIFESPAN IN THE WILD | 25 YEARS |
| LIFESPAN IN CAPTIVITY | 40 YEARS |
