Despite its name, Orca (also called Killer whales) are members of the dolphin family Delphinidae.

The largest and most striking member of this group, it has bold black and white pattening, however  it is perhaps the huge dorsal fin which is the most eye catching feature of this animal which can grow to 1.8 metres in length in older adult males.  It has large paddle like flippers and a large barrel shaped body which tapers towards streamlined jaws which are armed with interlocking teeth up to 5 cm long.  Orca are the largest hunters of warm blooded prey and their diet includes fish, squid, birds, seals and other whales.  Intelligent and highly sociable, they live in stable pods (groups) which develop their own cultural characteristics.

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