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July 26, 2026Sources cited
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Science & Nature • Mammals

Ornithorynque

L’ornithorynque est un mammifère semi-aquatique endémique de l’est de l’Australie et de la Tasmanie.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The platypus (Ornithorhynchus anatinus) is a semi-aquatic mammal endemic to eastern Australia and Tasmania. It is one of only five species of monotremes, the only order of mammals that lay eggs. The platypus is known for its distinctive duck-like bill, webbed feet, and flat tail.

Classification

The platypus is a mammal of the order Monotremata, the only group of mammals that lay eggs. Its species is Ornithorhynchus anatinus.

Distribution and habitat

The species lives in eastern Australia and Tasmania. It frequents small streams, rivers, and other calm aquatic environments.

Morphology and lifestyle

The platypus is a semi-aquatic mammal recognizable by its duck-like bill, webbed feet, and broad tail. It spends much of its time in the water.

Diet and reproduction

It is carnivorous and consumes mainly aquatic invertebrates. As a monotreme, the female lays eggs and then nurses her young after hatching.

Conservation

The platypus is generally considered near threatened. Sources indicate that its range and some habitats have declined in several regions.

Key facts

  • The platypus is one of five species of monotremes, egg-laying mammals.
  • It is endemic to eastern Australia and Tasmania.
  • It is a semi-aquatic animal that lives mainly in small streams.
  • It feeds primarily on aquatic invertebrates.
  • Its body has distinctive features including a soft bill, webbed feet, and a flattened tail.
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Canadian context

L’ornithorynque intéresse les lecteurs canadiens surtout comme exemple remarquable de l’évolution des mammifères et comme espèce emblématique de la biodiversité australienne étudiée dans les zoos, musées et programmes d’histoire naturelle au Canada.

Frequently asked questions

Is the platypus a mammal?
Yes. It is a mammal, but it belongs to the monotremes, which lay eggs.
Where does the platypus live?
It lives in eastern Australia and Tasmania, especially near waterways.
What does the platypus eat?
It feeds mainly on aquatic invertebrates, such as insects, larvae, and small crustaceans.
How does the platypus reproduce?
The female lays eggs, then feeds her young after they hatch.
Why is the platypus unique?
It combines rare traits among mammals, including egg-laying, a soft bill, and a semi-aquatic lifestyle.

References

  1. Wikipédia — https://fr.wikipedia.org/wiki/Ornithorynque
    Supports: Nom scientifique, statut de monotrème, répartition générale, habitat semi-aquatique
  2. Wikipédia — https://fr.wikipedia.org/wiki/Ornithorynque
    Supports: Appartenance aux monotrèmes et répartition en Australie orientale et Tasmanie
  3. WOL — https://www.wol.jw.org/fr/wol/d/r30/lp-f/101996885
    Supports: Nom scientifique et classification en monotrème
  4. GUEPE — https://www.guepe.qc.ca/blogs/lornithorynque-un-vrai-special
    Supports: Endémisme australien, habitat en milieux humides, statut quasi menacé
  5. Ouest-France — https://lemagdesanimaux.ouest-france.fr/dossier-243-ornithorynque.html
    Supports: Première description historique, traits morphologiques généraux
  6. National Geographic — https://www.nationalgeographic.fr/video/animaux/lornithorynque-unique-en-son-genre
    Supports: Traits distinctifs comme le bec plat, les pattes palmées et l’éperon venimeux