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Photo by Glenn Stewart in Eye to Eye with Eagles, Hawks and Falcons. This is a Peregrine falcon over the San Francisco Bay Bridge, a nesting site he helped.
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Thankfully, scientists from France have stumbled upon an ingenious solution to the problem—an optical illusion that appears to scare the crap out of large predatory birds.

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In addition to their sharp talons, strong claws, and hooked beaks, raptors have incredible eyesight. Swooping high above the ground, these birds of prey can spot moving objects, like mice and snakes, at great distances.

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Indeed, bird-on-plane collisions are a serious problem. In , the US Federal Aviation Administration documented a whopping 13, incidents in which at least one bird smashed into an airplane, and at least human deaths were linked to wildlife collisions from to In an effort to come up with a more effective strategy, a team of scientists from Centre National de la Recherche Scientifique CNRS and the University of Rennes, with some help from the Airbus corporation, applied their knowledge of avian physiology to the problem.

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By exploiting the powerful visual system of raptors—a group of birds that includes eagles, falcons, and hawks—the scientists were able to devise an optical illusion that effectively dissuades these birds from loitering around airports—and it looks suspiciously like a pair of googly eyes. These findings were published this week in PLoS One.

Brown Falcon

By applying pre-existing knowledge about raptor eyesight, the scientists studied the responses of these birds to various visual stimuli on a screen. After tests, only one pattern triggered the desired avoidance behavior: a pair of looming googly eyes. The looming eyes trigger the impression of an imminent collision, likely with another bird.

The researchers displayed the wide-eyed glare continuously throughout the day on a pair of strategically located LED screens.

So cool | Aminals ☺ | Birds, Eagle eye, Eye sight improvement

Over the course of five weeks, the team recorded no less than 8, bird sightings. Completely remodeled in , Hawk Hollow clubhouse is pleased to offer two rooms — the Lakeview Room capacity or the Patio Rooms capacity. Both enjoy views of the lake and golf course and parking is available for vehicles. Getting married? We have three sites from which you can host your wedding ceremony — one indoor and two outdoor.

If I Only Had Eyelids Like a Bird

Hawk Hollow Chapel is an elegant, non-denominational sanctuary capacity and includes state of the art amenities not found elsewhere in the Lansing area. Eagle Eye offers the Wedding Garden capacity , a park like setting, on the south end of its clubhouse. All wedding facilities are handicap accessible. Their eyes are stated to be larger in size than their brain, by weight. Eagles can identify five distinctly-colored squirrels and locate their prey even if hidden.

Wrapping It Up

Eagle weight varies: a small eagle could weigh grams 1. An eagle's retina allows for a higher Nyquist limit.

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In the eagle, the retina's fovea has one million cells per mm 2 as compared to , per mm 2 in humans. Eagles have a second fovea and three eyelids two of which are visible.

Eagle close up. Eye, beak and feathers of a hawk or falcon. Bird portrait.

The phenomenon of an eagle turning its flexible head almost degrees, [3] while sitting or flying, is attributed to the fact that when its large head is turned fully its eyes are also turned, unlike a human. An eagle in flight can reputedly sight a rabbit two miles away. As they grow older, the refraction error naturally rectifies itself and they are able to spot fish below the surface. The fierce look of the eagle is due to the placement of a bony ridge above its eyes, the small amount of bare skin between its eyes, and its sharp beak. The feathers on its body generally do not grow over the eyes.