The platypus, a native of eastern Australia, is a puzzling creature with features from birds, mammals, and reptiles. Male ...

From its duck-like bill to its venomous spur, the platypus is one of the strangest animals on Earth. Discover the bizarre ...

Echidnas don't have very good vision, but they have a strong sense of smell and hearing. When they feel threatened, echidnas will roll into a ball so that only their spiky back is exposed. Echidnas ...

While platypuses' spurs are venomous, echidnas' spurs are not. Male platypuses use their spurs as a weapon to help them fight other males during breeding season.

The venom helps protect the puss against predators. The puss — named for its resemblance to a cat’s fur — is among a handful of venomous caterpillars in Virginia.

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