Giant anteaters have very poor eye site but their noses are so sensitive, they can distinguish which species of termite lie within a mound.

After locating a source of termites, claws 4 inches long are used to dig into the mound, before a 2 foot tongue is used to reach them. On an average day a Giant ant eater can eat 35,000 termites.

South America is a land of extremes, many hundred thousand square miles of forests, grasslands and mountains. Existing here is a daunting proposition, and some well-known animals have adapted by growing large or very small, each strategy maximising their chance of survival.

South America's Weirdest Animals on National Geographic UK 📺
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