Mon, April 19, 2010
Sci-Tech > Science

Rarest of the rare

2010-04-19 03:10:42 GMT2010-04-19 11:10:42 (Beijing Time)  Xinhua English

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.

Cuban crocodile (Crocodylus rhombifer) Source:

2. White-headed langur

Only 59 of these monkeys remain on a small island off Vietnam.

White-headed Langur (Trachypithecus poliocephalus) Source:

3. Romer's Tree Frog

Less than 0.8 inches long, the Romer’s tree frog of Hong Kong was once thought to be extinct following airport construction that wiped out its habitat. In good news, this tree frog is still alive, with active breeding programs contributing to a couple thousand Romer’s being released in the wild in the 1990s.

Romer's Tree Frog (Liuixalus romeri) Source:

4. Przewalski's horse

With its stocky body and short neck, Przewalski's horseis the only true living species of wild horse. In recent yearsit has been reintroduced into native habitats in Mongolia following dedicated conservation efforts.

Przewalski's horse (Equus przewalskii) Source:

5. Florida bonneted bat

Thought to be extinct in 2002, the small colony has since been discovered.

Florida bonneted bat (Eumops floridanus) Source:

6. Green-eyed frog

Only a few hundred of these small amphibians are left.

Green-eyed frog (Lithobates vibicarius) Source:

7. Grenada dove

The national bird of Grenada is threatened by habitat loss.

Grenada Dove (Leptotila wellsi) Source:

8. Hirola/Hunter's hartebeest

The hirola is a highly threatened African antelope.

Hirola or Hunter's hartebeest (Damaliscus hunteri) Source:

9. Ploughshare tortoise

With only 400 left, the ploughshare tortoise is threatened by the illegal pet trade.

Ploughshare tortoise (Astrochelys yniphora) Source:

10. Island gray fox

Living on the California Channel Islands, this is the smallest fox in the United States.

Island Gray Fox (Urocyon littoralis) Source:

11. Sumatran orangutan

This population has declined 80 percent during the past 75 years.

Sumatran Orangutan (Pongo abelii) Source:

12. Vaquita

This small ocean porpoise is drowning in fishing nets.

Vaquita (Phocoena sinus) Source:

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