The Effects of Light on Vision in Animals

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One way researchers evaluate visual acuity in animals is with this measurement called cycles per degree. The highest number of cycles per degree able to be distinguished is how they can get an idea of just how sharp an animal's vision is. And humans threshold is right at 60 cycles per degree, Whereas falcons threshold is 160. However, that great eyesight, don't be too jealous because it's really dependent on luminance. When the lights go out, they lose visual acuity very quickly.

Grab your stuff and hop in our van full of weirdos to check out Boise Idaho’s finest attraction: a 580 acre preserve of land that is absolutely flush with raptors who could eat your eyeballs. We’re back with another field trip episode, this time visiting The Peregrine Fund’s World Center For Birds of Prey in Boise, Idaho. We got a tour from Vice President of the Peregrine Fund Dr. Chris McClure to meet so many birds including California Condors, Harpy Eagles, American Kestrels, Barred Owls, Bald Eagles, and of course the Peregrine Falcon. Also: industrial sized easter eggs, puppet parents, commuting with flesh eating dinosaurs, and the sexiest hat you’ve ever seen.

The World Center For Birds of Prey in Boise, Idaho

Follow the center on Instagram and Twitter, Chris McLure’s Twitter

A donation went to The Peregrine Fund

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