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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 ...
Orconectes virilis (virile crayfish) native to North America, but now widespread outside its normal habitat; Pacifastacus leniusculus (signal crayfish) into California from elsewhere in North America; Procambarus clarkii (red swamp crawfish) now widespread in North America, from its native range in the Gulf of Mexico basin
Ornithorhynchoidea is a superfamily of mammals containing the only living monotremes, the platypus and the echidnas, as well as their closest fossil relatives, to the exclusion of more primitive fossil monotremes of uncertain affinity.
A platypus bill may look like a duck’s bill, but it has a secret ability. The bill contains receptor cells that detect the electric signals made by all living things. As it swims in the water ...
The researchers were surveying turtle populations along the Gwydir River in 2021 when the ghost-colored platypus appeared, according to an Oct. 31 study in the journal Australian Mammalogy.
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In other cases, certain animals were initially considered hoaxes – similar to the initial reception of mounted specimens of the duck-billed platypus (Ornithorhynchus anatinus) [1] in late 18th-century Europe. In zoology, megafauna (from Greek μέγας megas "large" and Neo-Latin fauna "animal life") are large animals.
The diet of some species consists of ants and termites, but they are not closely related to the American true anteaters or to hedgehogs. Their young are called puggles. Echidnas evolved between 20 and 50 million years ago, descending from a platypus-like monotreme. [4] This ancestor was aquatic, but echidnas adapted to life on land. [4]