Big Blue Whales

Scientists head to southern Chile to study rare blue whales.

A Spectacular Seascape

Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
Kofman Whale SS B
The tail or "fluke" of a humpback whale. (Jeffrey Kofman/ABC News)
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