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Every Animal's Best Friend
Capybaras are famously tolerant of other species — monkeys, birds, ducks, cats, dogs, and even caimans have been documented resting on or with capybaras in the wild and in captivity. No one knows exactly why, but they simply don't seem to mind.
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Teeth That Never Stop Growing
Like all rodents, capybaras have hypsodont teeth that grow continuously throughout their lives. Their diet of tough grasses keeps them worn down naturally — without constant grazing, their teeth would grow to dangerous lengths.
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Born Swimmers
Capybaras are semi-aquatic and can stay submerged for up to five minutes. Their eyes, ears, and nostrils are positioned near the tops of their heads — letting them see, hear, and breathe while almost entirely underwater.
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A Complex Vocabulary
Capybaras communicate with a rich repertoire of sounds including purrs, barks, whistles, clicks, and a distinctive "coo-coo" contact call. Different calls signal alarm, contentment, submission, and social bonding within the herd.
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Classified as Fish by the Vatican
During the 16th century, Catholic missionaries in Venezuela petitioned the Vatican to classify capybaras as fish — allowing them to be eaten on Fridays and during Lent. The Vatican agreed, and the tradition of eating capybara during holy days persists in parts of Venezuela today.
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Large Litters, Fast Developers
Capybara litters typically contain 4–5 pups, though up to 8 have been recorded. Unlike many rodents, capybara pups are born fully furred and with eyes open — and can walk, swim, and graze within hours of birth.