Brave ♂, Heart ♀ and Chacha ♀. Circumstances of monogamy Chiba City Zoo / Siamang

✤This channel mainly features videos of gorillas, chimpanzees, and orangutans living in Japanese zoos.
✤ All apes are endangered.Some experts expect that 100 years later, wild chimpanzees will almost disappear.
【Causes of primate decline】
🔶Deforestation and deforestation due to logging, expanding farmland, increasing demand for palm oil, and developing dams
🔶Hunting by humans, capturing for pets
🔶Infectious diseases caused by human contact