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Baiji Chinese River Dolphin — EX (?)
Remaining Population: none confirmed since 2002.Range: Yangtze River, ChinaPrimary 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.

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.