35 mm slide; color. Scientific Classification: Kingdom: Animalia; Phylum: Chordata; Class: Mammalia; Order: Primates; Family: Pongidae; Genus: Pan; Genus species: Pan troglodytes. Animal characteristics: Head-Body Length: 68-94 cm; Height: 120-170 cm; Weight: Males 50-70 kg; Identification: Chimpanzees have black hair with a lighter face that darkens with age; Habitat: Rain forests, savannas with woodlands; Diet: Omnivore: fruit, nuts, leaves, shoots, bark, eggs, insects, young animals; Reproduction: Female chimpanzees experience regular heat periods and may mate with all of the males within the troop. After gestating for 227-232 days, females give birth to one or two young which remain with them for two to three years; Social Structure: The social structure of the chimpanzee varies by location. In the forest, there are four types of social groups: 1) males; 2) females with young; 3) males and females with young; 4) males and females without young. On the savanna, chimpanzee social groups are more stable. They have at least one male, several females, and their young; Behavior: Chimps are diurnal, building nests in trees to sleep in overnight. They are very expressive and communicative; Status: Endangered; Interesting Facts: Chimpanzees are often seen using twigs and stems as tools to get termites and ants out of their nests.