Category:Monotreme

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Monotremes are mammals that lay eggs (Prototheria) instead of giving birth to live young like marsupials (Metatheria) and placental mammals (Eutheria). These animals have a single cloaca forming a common opening for both the urogenital and digestive systems, monotreme means "one-holed". This category includes the platypus and the echidna.

Subcategories

This category has the following 2 subcategories, out of 2 total.