Uploaded February 2026 | Updated September 2026, 4 days ago

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This documentary explores the strangest creatures on Earth and the bizarre ways evolution has shaped their bodies, survival strategies, and reproduction. Some change sex, some give birth as males, others glow in total darkness or survive by deception. Subscribe to Our World: bit.ly/3xnPuGL

This film was first broadcast: 2000

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Explore Our World and watch some of the most successful nature documentary series about the environment and the wonders and dangers nature has to offer. We will be posting some of the longest-running and most successful nature documentary series, revealing the trials and tribulations of life on Earth and often for the first time, the secrets of the natural world in all its wonder.

Content distributed by ITV Studios.

#wildlife #animaldocumentry #animals