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Meet the world's smartest animals - as a cow with extraordinary intelligence is discovered

If you have a pet, they might appear pretty switched on – fetching sticks, solving food puzzles, or remembering the names of their favourite toys. However, there are some animal Einsteins, whose ...
PETBOOK magazine on MSN

These animals are much smarter than most people think.

Which animal is the most intelligent and might even rival humans in cleverness? PETBOOK provides an overview of the world's ...