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Green Sea Turtle
A diet of algae and seagrasses gives this turtle (Chelonia mydas) greenish colored...
An American crocodile (Crocodylus acutus) resting on a bed of seagrass. These...
Taking an Ice Sample
Using a drill, a team removes a chunk from the thick Arctic ice. Small samples are...
Mon, 01/10/2011 - 11:55