Baiji Chinese River Dolphin — EX (?)
Remaining Population: none confirmed since 2002.
Range: Yangtze River, China
Primary Threats: Pollution, illegal fishing practices, habitat loss, hunting
- Approximately 12% of the world’s human population lives/works on the banks of the Yangtze River.
- Relied on Sonar Navigation
- The dolphins had on average 1 calf per 2-3 years and a 30% fertility rate, making population recovery close to impossible.
- While conservation efforts began in the early 1978 with a Baiji dolphin research center; though only 1 was successfully captured and who lived more than a few months. Breeding proved unsuccessful, and the center was flooded and destroyed.
- The Chinese government implemented various conservation zones along the river, but was ineffective as the population plummeted to under 100.