Dolphins, honey guides and golden eagles are man's best friends

"The ability of dogs to fetch a pair of slippers, assist the blind or help round up sheep may be well known.
But there are many other creatures in the animal kingdom who are just as adept at working for humans.
While South American fishermen use dolphins to help them catch fish, tribesman in Africa employ birds to find honey and hunters in Asia train young eagles to bring down prey for them.
They are among examples of animal behaviour known as 'interspecies collaboration', where wild creatures have evolved to work with humans to help them find food.
Experts believe these relationships provide clues about how humans first learned how to exploit wild animals before training them and later domesticating them."
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