Monotreme
Monotremes () are mammals of the order Monotremata. They are the only mammals still in existence which lay eggs, rather than bearing live young.
Monotremes () are mammals of the order Monotremata. They are the only mammals still in existence which lay eggs, rather than bearing live young.
Monotremes () are mammals of the order Monotremata. They are the only mammals still in existence which lay eggs, rather than bearing live young.
Source: Wikipedia "Monotreme" · CC BY-SA 4.0
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