|  Killer whales are the world's most abundant mammal species, next to humans. | Whales can reach lengths up to 28 feet and can weigh up to 12,000 lb. | Whales are found in all oceans of the world. | They have a diet that consists of eat fish, seals, penguins, even other whales. | Killer Whales can live up to 35 years. |
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Information
Killer
whales are social animals that live in stable family-related
groups. Killer whales display a high level of care for
their offspring. In addition to the mothers, various pod
members (mainly adolescent females) perform most of the
care for the calves. As with most mammals, killer whales
are very protective of their young.
Scientists have determined that killer whales can live
a maximum of 35 years. How? By looking at a cross-section
of a killer whale's tooth. Killer whales, like other marine
mammals, produce a periodic growth layer on the teeth.
By counting these layers, scientists can estimate the
animal's age.
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