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(1) The duck-billed platypus is a truly bizarre creature.

(2) The duck-billed platypus is an even more astonishing animal.

(3) The male of the duck-billed platypus has sharp poison-spurs on its hind legs.

(4) The skull of the newly described duck-billed dinosaur.

(5) Duck-billed dinosaurs lack they type of jaw joint found in mammals that allows us to slide our teeth in a side-to-side motion.

(6) W hen 18th-century scientists first came across Australia's duck-billed platypus(sentencedict.com), they thought it was a trick .

(7) The only other type of mammal to employ chemical warfare is the duck-billed platypus.

(8) Paleontologists in China's Henan Basin discovered this nest of fossilized eggs laid by the Jurassic duck-billed herbivore Hadrosaurus .

(9) Fish, some amphibians and primitiveegg-laying mammals such as the duck-billed platypus use similar pitsto pick up electric fields generated by nearby animals.

(10) Unfortunately, the real world is rife with exceptions and edge cases — duck-billed platypuses are furry and lay eggs.

(11) "For millions of years, until their extinction at the end of the Cretaceous, duck-billed dinosaurs, or hadrosaurs, were the world's dominant herbivores, " Purnell said.

(12) Scientists point out that the it is very difficult for these duck-billed dinosaur fossil bones to move to more younger strata as of the fracture formation.

(13) Only two kinds of egg-laying mammals are left on the planet today—the duck-billed platypus and the echidna, or spiny anteater.

(14) Photo Gallery: Jurassic Period Paleontologists in China's Henan Basin discovered this nest of fossilized eggs laid by the Jurassic duck-billed herbivore Hadrosaurus.

(15) These dinosaurs were the forerunners of the bigger and more spectacular ornithischians like stegosaurus, ankylosaurus and the duck-billed dinosaurs.