Some lizard species have completely abandoned the need for two sexes to reproduce.

How some species of lizard are all-lady lizards | LGBTQ+ natural history tour | Extra Content · 3:15 · Video: Natural History Museum · Watch at the source

In short: Explore the surprising world of all-female lizard species. A senior curator from the Natural History Museum explains how these unique animals evolved and reproduce without males, challenging our conventional understanding of biological sex.

While we often assume animals rely on two sexes, nature offers remarkable exceptions. Certain lizard species have evolved to exist entirely as females, bypassing traditional reproductive methods.

This phenomenon highlights the diversity of life strategies found in the natural world. By studying these all-female populations, scientists gain insight into how species adapt and thrive through alternative evolutionary paths.

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