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The Vanishing Vaquita
The small vaquita (Phocoena sinus), a type of porpoise, usually only reaches...
Staghorn (seen here) and elkhorn corals are listed as Threatened under the U.S....
On the Galapagos Islands, William Dampier wrote excitedly of the giant tortoises he...
An American crocodile (Crocodylus acutus) resting on a bed of seagrass. These...