Blue whales are the largest animals ever to live on our planet. They feed almost exclusively on krill, straining huge volumes of ocean water through their baleen plates (which hang from the roof of the mouth and work like a sieve). Some of the biggest individuals may eat up to 6 tons of krill a day. Blue whales are found in all oceans except the Arctic Ocean. There are five currently recognized subspecies of blue whales.
Blue whale - NAMMCO
Jess Morten, Protecting Blue Whales and Blue Skies in California's National Marine Sanctuaries
Are hungry North Atlantic right whales led by their noses?
Bryde's Whale NOAA Fisheries
The Endangered Blue Whale by nacho claus on Prezi Next
NOAAWhaleWeek is almost here. - NOAA Fisheries West Coast
Data on blue whales off California helps protect their distant relatives
Poor weather prevents attempt to free entangled North Atlantic right whale
Blue whale - NAMMCO
NOAA National Centers for Environmental Information - To continue our celebration of Whale Month here at NCEI and to help prepare you for World Whale Day on February 21, we thought we'd
