Killer whales inhabit the cooler waters of both the western and Yankee hemispheres, where sea life is most abundant. Killer whales ar in general black or deep brown in color, having monolithic white patches on their lower jaw, belly, and above their eyes, and a barge off-white saddle patch just under and can buoy their dorsal cinques. They atomic number 18 quite large mammalians, with females growing to up to 8.5 m (27.5 ft) long, and males to up to 9.8 m (31.9 ft) long as they nonplus fully-grown adults. All killer whales have a large dorsal fin protruding out of their mid-back, noting that the adult males dorsal fin continues to grow until it is the shape of a triangular sail beat up to 1.8 m (5.9 ft) tall. The flippers are also unique; they are large and oval shaped, making them unlike those of any some other whale.
Killer whales mainly feed on fish, squid, and marine birds including penguins, seagulls and pelicans, though they may sometimes tackle a blue whale, the largest marine mammal on Earth!
In some parts of the world, killer whales are fussier about their diet; in the Pacific Northwest of the united States and Canada, for example, local populations of killer whale feed exclusively on salmon and trout while other groups of the same species feed on harbor seals, porpoises and sharks.
Killer whales live in schools ranging in surface from two to well over fifty members; they tend to aid during hunting.
In several places in the southern hemisphere, these whales sometimes rest in brief on shore as they rush to take seals or sea lions laying on the sand. Killer whales may observe a several hundred square kilometer line of business in search of prey, rapidly covering large areas in a matter of days!
Killer whales mate in the...
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