It's pretty interesting to watch Oddest Friendships Between Animals. Take a look at Animal Odd Couples. See real wild animals. Fascinating wildlife biologist Liz Bonnin sets off on a worldwide journey of discovery to find out why animals of different species make friends with each other. There is even a discussion about why apex predators make friends with humans.
An apex predator is also known as an alpha predator or top predator. This is an animal predator at the top of a food chain, without natural predators. Apex predators are usually defined in terms of trophic dynamics, meaning that they occupy the highest trophic levels.
The trophic level of an organism is the position it occupies in a food web. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves. The trophic level of an organism is the number of steps it is from the start of this important chain.
In the natural sciences, an apex predator is a predator that certainly exists at the very top of the food chain. Unlike some other predators, it's never preyed upon itself. Examples include polar bears, black bears, lions, crocodiles, orcas, killer whales, tigers, jaguars and cheetahs.
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