Like a bat, dolphins use echolocation to navigate and hunt, bouncing high-pitched sounds off of objects, and listening for the echoes.
Tuesday, February 23, 2010
"THE BYCATCH"
The greatest threat to whales, dolphins and porpoises is entanglement in fishing gear, also known as bycatch.
"DOLPHINE DIET"
Fish and squid are the diet of the common dolphin, where the dolphins have been seen hunting and working together to herd the fish into tight balls.
"SLEEPING DOLPHINES"
Dolphins sleep with one half of their brain plus one eye closed, then switching to the other side of the brain and the other eye closed during other parts of the day -- slowing down everything inside their bodies and moving
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