Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and monotremes.

Eggs of various animals (mainly birds)

In traditional usage, most insects (one being Culex pipiens, or the common house mosquito), molluscs, and arachnids are also described as oviparous.

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