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8 Bizarre Animal Surprises From 'True or Poo' — Can You Tell Fact From Myth?

Do woodpeckers' tongues wrap around their skulls?

(Image credit: Shutterstock)

True or Poo?

Do woodpeckers' tongues wrap around their skulls?

(Image credit: Shutterstock)

True or Poo? True.

Woodpeckers are known best for their habit of slamming their beaks into trees at a rate of about 20 times per second. But a lesser-known adaptation is equally extreme and remarkable — their tongues are so "freakishly long" that they wrap around the birds' skulls, Rabaiotti and Caruso wrote. These lengthy tongues have a bone running the entire length, and are used for scooping up tree-dwelling insects and cushioning the woodpecker's skull as it headbangs.

Do flatworms duel with their penises?

(Image credit: Shutterstock)

True or Poo?

Do flatworms duel with their penises?

(Image credit: Shutterstock)

True or Poo? True.

Most animals that have penises use them in pretty much the same way — as a delivery system for sperm. Flatworms do too, though prefaced with a bout of genital combat. Flatworms are hermaphrodites, which means they have both male and female reproductive organs. During mating, two flatworms compete by fencing with their penises, until the victor overcomes the loser, stabs it with its genitals, and injects a payload of sperm.

Is the giant shark Megalodon still around?

(Image credit: Shutterstock)

True or Poo?

Is the giant shark Megalodon still around?

(Image credit: Shutterstock)

True or Poo? Poo.

Modern sharks can grow to impressive sizes, but the biggest of them all was the shark Megalodon, which measured up to 60 feet (18 meters) long and went extinct nearly 3 million years ago. Because Earth's deep oceans are vast and unexplored, many people (and a recent blockbuster movie) imagine that Megalodon is still cruising the seas; but the lack of sightings and any recent evidence suggest that this monster shark is long gone, Rabaiotti and Caruso wrote.

Can't get enough of these "filthy animal facts and falsehoods"? there are plenty more to be found in "True or Poo?",