You don’t need hands to be right- or left-handed. Many kinds of animals have shown a preference for using one side of their body or the other. They include apes, whales, dogs, cats, cows, toads, fish and even honeybees. Now, with data from a rather unsavory source, researchers have found evidence for “tuskedness” in elephants.
Although humans aren’t alone in having handedness, we do seem to have the most extreme bias as a species. Other animals seem more evenly divided between righties an