Dr. Clyde Roper prepares to dive thousands of feet to a giant squid habitat off the...
An American crocodile (Crocodylus acutus) resting on a bed of seagrass. These...
A spectacled caiman (Caiman crocodiles) patrols a salty pond at the Smithsonian...
Mapping the Ocean Floor
After an introduction in which students try to identify hidden objects by the...
Mon, 11/30/2009 - 18:21