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Tell me about Orca whales.
Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. They're immediately recognizable by their distinctive black-and-white coloring.
Are Orca whales really whales?
They are often confused for being a whale because of their name 'killer whale', but did you know that orcas are actually dolphins? In fact, they are the largest member of the dolphin family!
How do Orca whales hunt?
Knowing this, the orcas will grab gray whales and attempt to drag them into deeper water, or cooperate to block the path to the shallows. When the orcas do catch a grey whale, they will kill it by drowning, holding the whale's blowhole underwater until it expires.
What do Orca whales eat?
Killer whales feed on sea birds, squid, octopuses, sea turtles, sharks, rays and fish. They also eat most marine mammals, such as seals and dugongs.
Where did Orca whales get their name?
Because of their fierce reputation, orca are sometimes called the Ballena asesina (“assassin whale”) by the Spanish. They were referred to as “whale killers” by sailors who witnessed their attacks on larger cetaceans, and over time this name was changed to “killer whales.
Are Orca whales dangerous?
They have also been recorded preying on usually terrestrial species such as moose swimming between islands. In the wild, there have been no fatal attacks on humans and only one reported bite.
Where can you go to watch Orca whales?
Five great places to see killer whales in the wildSan Juan Islands, Washington. This is one of the most dependable place to go to see orcas in the continental U.S. ...Vancouver Island, Canada. ...Southeastern Alaska. ...Monterey Bay, Calif. ...Southern California.
When is a good season for spotting Orca whales ?
Orca whales usually pass through the islands in greatest numbers between mid-May and mid-October when the salmon runs are strongest, although it's possible to spot them through the rest of the year. In February, March, April, late October, and November you can see 50% fewer whales than in the summer.

Question: How does captivity affect them?
Self-contained rewrite: How does captivity affect Orca whales?