Oviparous animals encompass species that reproduce by laying eggs. While birds are a well-known example, this reproductive strategy extends across various other animal groups. Prominent examples include reptiles such as turtles and snakes, amphibians like frogs and salamanders, fish including sharks and ray-finned varieties, and monotremes, a unique order of mammals represented by the echidna and platypus.
This reproductive method plays a crucial role in biodiversity and evolutionary history. The presence of an amniotic egg, for example, enabled reptiles to colonize terrestrial environments successfully. Studying the oviparity in different taxa provides insights into evolutionary adaptations, reproductive strategies, and ecological roles. The diversity of egg structures and developmental processes reveals complex interactions between genetics and the environment.