1. Crocodylus rhombifer
With the most restricted range of any crocodilian, the Cuban crocodile is in danger of extinction due to habitat alteration, hunting, and competition with introduced caimans.
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Cuban crocodile (Crocodylus rhombifer) Source: huanqiu.com |
2. White-headed langur
Only 59 of these monkeys remain on a small island off Vietnam.
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White headed Langur (Trachypithecus poliocephalus) Source: huanqiu.com |