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| | Blue Whale | Cetacean Fact Sheet | American Cetacean Society |
 | | The blue whale is one of the rorquals, a family that also includes the humpback whale, fin whale, Bryde's whale, sei whale, and minke whale. |
 | | The blue whale is blue-gray in color, but often with lighter gray mottling on a darker background (or with darker spots on a lighter background). |
 | | In modern times, blue whales in the Southern Hemisphere reach lengths of 90-100 feet, but their Northern Hemisphere counterparts are smaller, on average 75 to 80 feet (23 to 24.5 m). |
| www.acsonline.org /factpack/bluewhl.htm (1247 words) |
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