Need To Know

Which animal has the best sight?

Birds of prey boast the greatest visual acuity of all animals and
zoologists believe some hawks and eagles have vision eight
times sharper than ours. An eagle’s retina sports around 1
million sensory cells per square millimetre – around five times what
you’d find in a human retina. It pays off: some birds of prey can spot
and track a rabbit 1.5km (0.9 miles) away!
If you gauge eyesight in terms of light spectrum perception instead
of acuity, the mantis shrimp is the champ. Mantis shrimp perceive
11 or 12 primary colours, putting our three to shame, and they see
ultraviolet and infrared light too.

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