The animal kingdom boasts an incredible diversity of eyes. Some rotate independently while others have squiggly-shaped pupils. Some have protective lids, others squirt blood. But which creature has the best sight? Which sees best in the darkness? Which sees the most detail? Which animal sees the most color? And finally, which detects motion the fastest? Thomas W. Cronin investigates. [Directed by Josefina Preumayr, narrated by Addison Anderson, music by André Aires].

Thomas W. Cronin: Which animal has the best eyesight?

Which animal has the best eyesight?

Arctic reindeer eyes change from gold to blue in winter, adapting to months of darkness with a 1,000-fold light sensitivity increase.

Peregrine falcons boast vision over twice as sharp as humans', spotting prey from over three kilometers away thanks to a deep fovea.

Mantis shrimp, with 16 photoreceptors including five for UV, challenge our understanding of color perception's complexity in nature.