A FEW OF THE WORLD’S MOST CRITICALLY ENDANGERED

The South China tiger

Population: Believed to be extinct in the wild, may soon be reintroduced Habitat: Rain forest of Southeast China Note: The population was thought to be about 4,000 in the wild in 1950.

Javan rhino

Population: As few as 35 Weight: 1,984 to 5,071 pounds Length: 10 feet Habitat: Rain forests of Indonesia Note: Vietnam’s last Javan rhino was poached in 2010. Javan rhinos are the most threatened of the five rhino species.

Amur leopard Population: Around 60 Weight: 70 to 105 pounds Habitat: Mostly found in eastern Russia and parts of China in temperate, broadleaf and mixed forests Lifetime: 10-15 years in the wild Note: Populations have more than doubled in recent years. In 2007 there were estimates of only 30 cats.

Cross River gorilla Population: 200 to 300 Weight: Up to 440 pounds Habitat: The forests of the Congo Basin Note: Counts of these gorillas are only estimates because they live in some of the most rugged territory of Africa.

Sumatran elephant

Population: 2,400 to 2,800 Weight: 10,000 pounds Habitat: The forests of Borneo and Sumatra Note: Their numbers have declined 80% in the past 25 years due to rapid deforestation.

Pangolin

Population: Accurate numbers not available Weight: 4 to 7 pounds Habitat: Forests and grasslands of Africa and Asia Note: One of the most frequently trafficked mammals in Asia. Sought for its meat, considered a delicacy, and scales, used in ancient remedies.

Vaquita Population: Fewer than 100 Habitat: Gulf of California Weight: Up to 120 pounds Length: Up to 5 feet Note: The most rare marine mammal has been depleted mostly by gill net fishing in the Gulf of Mexico.

Hawksbill turtle Population: Accurate numbers not available Weight: 90 to 150 pounds Habitat: Mainly tropical oceans off East Africa Note: They are fished for their eggs and shells.