Killer whale shows jumping high from the water is a natural behaviour

There is often an argument that Orca (or killer whales) should not be displayed in aquariums as they show unnatural behaviours. While doing trick after trick would not be seen, and in the wild they might roam tens or hundreds of thousands of square miles in a year, many of the behaviours are indeed something that is seen in the wild.

Perhaps the most likely place to see interesting behaviours is during a hunt, and that is indeed what was recently captured.

Orca hunting smaller dolphins in the sea of Cortex off the coast of Mexico

Orcas swim most oceans around the world. Increasingly, humans are recognizing that far from being one species, there is actually many which have not interbred for in some cases millions of years. Furthermore, many populations are geographically isolated rarely meeting up with other members.

However, this demonstrates that while there are a number of effective predators in the sea from dolphins to sharks and whales, the killer whale is usually the undisputed predator. As well as taking dolphins reasonably regularly, killer whales often target other big predators including great white sharks. Indeed, while it is never easy to be sure of the reason that a wild species changes its behaviour, it is thought that the disappearance of the south african great white shark is linked to more regular sightings of the Orca in South African waters during the second half of the year when they are thought to be in residence.

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