Harp Seal Pup at Sunset
A harp seal (Phoca groenlandica) pup rests on the ice at sunset in the Gulf of St....
How do Humpback Whales Feed?
The activity covers feeding behaviors of humpback whales. It also teaches how...
Tue, 11/24/2009 - 15:16
Underwater Parks in 3-D
As I readied myself and my camera for a dive in Yellowstone Lake, the largest body...