Animals can be left-handed or right-handed just like humans,
including the largest ones that have ever lived. But they can also be
ambidextrous.
Scientists saw this dynamic in action while they were watching
several dozen blue whales in the Pacific Ocean do barrel rolls to get
food. Although there were animals that showed a preference for using
their right side — the whale equivalent of right-handedness that we see
in people — even those specific whales did left-handed barrel rolls on
this one food-related behavior, according to a study in the journal Current Biology.
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