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"I have no way of knowing what the whale had in mind," Richard Ellis, a marine conservationist at the American Museum of Natural History, told The Associated Press. "But I can tell you that killer whales, because they're supposed to be so intelligent, don't do things accidentally. This was not an insane, uncontrollable act. This was premeditated. And the whale, for whatever whale reasons, did this intentionally."
Dolphins have so much brain power that they're thought to rival humans in intelligence. One measure is known as the encephalization quotient, or EQ, which quantifies the size of a species' brain compared with what would be expected based on body size alone.
At last weekend's annual meeting of the American Association for the Advancement of Science, Emory University neuroscientist Lori Marino noted that our EQ is about 7, while the EQ for chimpanzees and other great apes is a little more than 2.
And dolphins? Species in the dolphin family have EQs ranging from 4 and 5. "This means their brains are significantly larger in relative size than all other animals and second only to modern humans," Marino said.
Killer whales are noted for their richly complex societies. Only elephants and higher primates, such as humans, live in comparably complex social structures. Resident killer whales in the eastern North Pacific have a particularly complex and stable social grouping system. Unlike any other mammal species whose social structure is known, resident killer whales live with their mothers for their entire lives. Therefore, killer whale societies are based on matrilines consisting of the matriarch and her descendants who form part of the line, as do their descendants. The average size of a matriline is 5.5 animals.
•Type A looks like a "typical" killer whale, a large, black and white form with a medium-sized white eye patch, living in open water and feeding mostly on minke whales.
•Type B is smaller than Type A. It has a large white eye patch. Most of the dark parts of its body are medium gray instead of black, although it has a dark gray patch called a "dorsal cape"stretching back from its forehead to just behind its dorsal fin. The white areas are stained slightly yellow. It feeds mostly on seals.
•Type C is the smallest type and lives in larger groups than any other type. Its eye patch is distinctively slanted forwards, rather than parallel to the body axis. Like Type B, it is primarily white and medium gray, with a dark gray dorsal cape and yellow-tinged patches. Its only observed prey is the Antarctic Cod.
His team sequenced the DNA from the whales' mitochondria, a part of the cell that holds just a portion of the DNA. Mitochondrial DNA is passed down with very few changes from mother to offspring.
Originally posted by Aceofclubs
i`d love to see one in real life not in a tank i mean. even more so if it was hunting at the time thay are one of the most spectacular animals we have left. well actually 3 of
S&F for effort put in to this post good info i wonder how many other animals thay can find with this new tech and if they have tried people yet