3/21/2024 0 Comments Platypus evolution historyDuck-billed platypuses are stream-lined and elongated, they have fur ranging from medium brown to dark brown on the dorsal side and brown to silver-gray on the ventral side. They have a cloaca through which eggs are laid and both liquid and solid waste is eliminated. These species are unique among mammals in that they retain the ancestral characteristic of egg laying. Range elevation 1000 (high) m 3280.84 (high) ftĭuck-billed platypuses are one of three species of monotremes.( Grant and Temple-Smith, 1998 Pasitschniak-Arts and Marinelli, 1998) There have been records of them living in aquatic habitats at elevations above 1000 meters (Grant and Temple-Smith, 1998). The rivers and streams are usually less than 5 meters in depth (Grant and Temple-Smith, 1998). They prefer areas with steep banks that contain roots, overhanging vegetation, reeds, and logs (Grant and Temple-Smith, 1998). ( Grant and Temple-Smith, 1998 Pasitschniak-Arts and Marinelli, 1998)ĭuck-billed platypuses inhabit rivers, lagoons, and streams (Pasitschniak-Artsand Marinelli, 1998). The geographic range of Ornithorhynchus anatinus is restricted to the wetter regions of eastern Australia and Tasmania.
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