Conservationists fight to save Northern Atlantic right whales from extinction 

It's estimated there are fewer than 350 North Atlantic right whales remaining. They are dying faster than they can produce and it's largely due to human causes. With so few left, experts are closely monitoring for new offspring and working to keep the whale from extinction. Science Correspondent Miles O'Brien reports.
North Atlantic Right Whale Photos/videos taken under NOAA Fisheries research permits.
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