Blue whales are the largest animals on Earth, reaching lengths of up to 100 feet. They primarily eat plankton and krill, holding up to 5 tons in their mouths. Though once hunted, blue whales are now endangered and live in the Arctic and Antarctic, migrating to warmer waters in winter. They communicate through low frequency moans.

1. Blue Whales ( Balaenoptera musculus) By: Alan Hernandez

2. Statistics Lengths of blue whales range from 85ft. to 100ft. Blue whales can reach speeds from 10 to 15 Knots. Blue whales can dive to depths of 1,650 ft. They have a lifespan of 80 years. Blue whales can hold up to 5 tons of water and plankton in their mouth. Blue whales are an endangered species because they were hunted for the oils they contained and for their size. They communicate with a low frequency moans. The biggest mammal in the WORLD!

3. Habitat Blue whales live in Arctic and Antarctic waters. In winter they migrate to the warmer waters of the tropic. Blue whales originally descended from an early land animal.

4. Habitat Map

5. Food Source Plankton and Krill

6. Blue Whale

7. Predators

8. Bibliography &quot;Blue Whales.&quot; Blue Whale-Blue Whale (home) . Blue Whale Info, 2008. Web. 11 May 2011. <http://www.blue-whale.info/>. &quot;Blue Whales Put On Show Off Southern California Coast, Citys News Post. Web. 11 May 2011. <http://citynewspost.com/blue-whales-put-on-show-off-southern-california-coast/851532/>. &quot;Blue Whales.&quot; Wildlife Fact File. Pittsburgh, PA: IMP, 1997. Print. Reeves, Randal R. &quot;Blue Whale.&quot; Wikipedia, the Free Encyclopedia . Wikipedia, 7 May 2011. Web. 11 May 2011. <http://en.wikipedia.org/wiki/Blue_whale>.