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The platypus (Ornithorhynchus anatinus), [4] sometimes referred to as the duck-billed platypus, [5] is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative or monotypic taxon of its family Ornithorhynchidae and genus Ornithorhynchus , though a number of related species ...
The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic mammal endemic to eastern Australia, including Tasmania.It is the sole living representative of the family Ornithorhynchidae and, together with the four species of echidna, it is one of the five extant species of monotreme – mammals that lay eggs instead of giving birth to live young.
This group is known as the duck-billed dinosaurs for the flat duck-bill appearance of the bones in their snouts. The ornithopod family, which includes genera such as Edmontosaurus and Parasaurolophus , was a common group of herbivores during the Late Cretaceous Period . [ 1 ]
Both the platypus and echidna species have spurs on their hind limbs. The echidna spurs are vestigial and have no known function, while the platypus spurs contain venom. [ 42 ] Molecular data show that the main component of platypus venom emerged before the divergence of platypus and echidnas, suggesting that the most recent common ancestor of ...
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Hadrosauroidea is a clade or superfamily of ornithischian dinosaurs that includes the "duck-billed" dinosaurs, or Hadrosauridae, and all dinosaurs more closely related to them than to Iguanodon. Their remains have been recovered in Asia, Europe, Africa and the Americas.
The platypus — a venomous, egg-laying, duck-billed, amphibious mammal — is one of the strangest creatures in the animal kingdom. When a platypus pelt was first presented by Joseph Banks to English naturalists in the late 18th century, they were convinced it must be a cleverly created hoax.
Falkland steamer duck: Tachyeres brachypterus (Latham, 1790) 39 Chubut steamer duck: Tachyeres leucocephalus Humphrey & Thompson, 1981: 40 Torrent duck: Merganetta armata Gould, 1842: 41 Spur-winged goose: Plectropterus gambensis (Linnaeus, 1766) 42 Comb duck: Sarkidiornis sylvicola Ihering, HFA & Ihering, R, 1907: 43 Knob-billed duck ...