Killer Whale-In captivity they do not do well- they immediately cease using radar. They are also extremely social beings, and will spend their whole life with the same group-support leaving them in their natural habitat. Free Willy is what this is about.
Humpback whale 'lobtailing' in Chatham Strait. The whale brings its tail down hard on the surface of the water - a sound that can be heard for a distance of several hundred metres underwater. Taken by kayaking photographer Duncan Murrell
Is a Shark a Mammal or Fish? and Answers to Other Interesting Shark Questions
The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales are found in all oceans, from Arctic and Antarctic regions to tropical seas.