The killer whale is a mammal that belongs to the family of whales and
dolphins. It is found both in the Arctic oceans as those of the
tropics. You can submit dimensions greater than 9 meters long and it is
a large predator. Popularly can be mentioned as the killer whale, may
even attacking whales.
It is characterized by its white chest and side and the back blackish,
near the eye with a white area. Males usually measured between 6 or 8
meters and reach the 6,000 kilos of weight. The females are smaller,
between 5 and 7 metres long and weighing about 4,000 kilograms. They
can swim at high speed until the 56 km / h. The killer whale is an
animal quickly and with great strength.
At the time you make with a dam, first the left exhausted, the beat
with his strong tail, dropped on it, especially with more dedication
they do the orcas younger as a learning and practice. They feed on
seals, sea lions, walruses, penguins, sharks, turtles, among many other
marine animals. In the food chain of marine life are on top of the
pyramid.
They differ from the orcas transient residents. The first fall, about 7
killer whales, and they can see in areas near the coast to hunt, but
are kept in constant motion and, since they are located southeast
Alaska to California. The residents, is more common to see them along
the coast. Females can be distinguished residents of the transitional
by having the tip of the dorsal fin rounded, in contrast, the
transitional have more sharp.
There is a third type of killer whale, the Coast, which has a size
smaller than the previous two and his life develops mostly in the high
seas. Their fins are curved and often form groups of about 50 members.
Like all cetaceans, bearing in mind that reproduction is a mammal, is
not very high. The mating season may vary, but usually occurs in the
summer months. Prior to consummate the union, there is a prior contact
ritual occurs later sexual but in two stages; first half male
penetrates the female, later introducing his penis completely. The
offspring at birth and have a weight of about 180 pounds and about 2
meters in length and a half.
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The Orca