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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 these taxa was also possibly a venomous monotreme. [43]
The platypus uses its super-sensitive bill to find its dinner. A platypus bill may look like a duck’s bill, but it has a secret ability. ... While the echidna species has 400 to 2,000 ...
The male echidna's penis is 7 centimetres (2.8 in) long when erect, and its shaft is covered with penile spines. [29] These may be used to induce ovulation in the female. [30] It is a challenge to study the echidna in its natural habitat, and they show no interest in mating while in captivity. Prior to 2007, no one had ever seen an echidna ...
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 ...
Platypus (Ornithorhynchus anatinus) Family Tachyglossidae Genus Tachyglossus (short-beaked echidna) Short-beaked echidna (Tachyglossus aculeatus) Genus Zaglossus (long-beaked echidnas) Western long-beaked echidna (Zaglossus bruijnii) Eastern long-beaked echidna (Zaglossus bartoni) Sir David's long-beaked echidna (Zaglossus attenboroughi)
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. [1]
Echidna's family tree varies by author. [4] The oldest genealogy relating to Echidna, Hesiod's Theogony (c. 8th – 7th century BC), is unclear on several points. According to Hesiod, Echidna was born to a "she" who was probably meant by Hesiod to be the sea goddess Ceto, making Echidna's likely father the sea god Phorcys; however the "she" might instead refer to the Oceanid Callirhoe, which ...
The Ornithorhynchidae / ɔːr ˌ n ɪ θ ə ˈ r ɪ ŋ k ɪ d iː / are one of the two extant families in the order Monotremata, and contain the platypus and its extinct relatives. The other family is the Tachyglossidae, or echidnas.