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The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, 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 appear ...
The platypus has an average body temperature of about 31 °C (88 °F) rather than the averages of 35 °C (95 °F) for marsupials and 37 °C (99 °F) for placentals. [ 30 ] [ 31 ] Research suggests this has been a gradual adaptation to the harsh, marginal environmental niches in which the few extant monotreme species have managed to survive ...
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Original – Duck-billed platypus (Ornithorhynchus anatinus) near Scottsdale, Tasmania Reason High quality large image. Illustrates article well. FP on Commons Articles in which this image appears Platypus, Monotreme FP category for this image Wikipedia:Featured pictures/Animals/Mammals Creator Charlesjsharp
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A female mallard duck incubates her eggs. Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional release. Egg incubation is done under favorable environmental conditions, possibly by brooding and hatching the egg.
Billed snouts on the duck-billed dinosaurs hadrosaurs are strikingly convergent with ducks and the duck-billed platypus. [76] Ichthyosaurs (such as Ophthalmosaurus) [77] are marine reptile of the Mesozoic era which looked strikingly like dolphins. [78] Several groups of marine reptiles evolved hyperphalangy similar to modern whales. [61]
The scientific name comes from Latin Anas, "duck" and Ancient Greek πλατυρυγχος, platyrhynchus, "broad-billed" (from πλατύς, platys, "broad" and ρυγχός, rhunkhos, "bill"). [6] The genome of Anas platyrhynchos was sequenced in 2013. [7] The name mallard originally referred to any wild drake, and it is sometimes still used ...