Owl Evolution: Difference between revisions

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==Section 1 Genetics==
==Section 1 Genetics==
Owls are able to hunt at night based on sound alone. In order to do this, owls are born with the same basic wing structure as most birds, except the first primary feather on each wing is serrated, not smooth like in most birds. This allows the noise of the owl's flight to be silent. The serrated edges on the wings disrupt the sound of the air moving beneath and around them, so the owl is able to travel discretely. <ref><br><br>
Owls are able to hunt at night based on sound alone. In order to do this, owls are born with the same basic wing structure as most birds, except the first primary feather on each wing is serrated, not smooth like in most birds. This allows the noise of the owl's flight to be silent. The serrated edges on the wings disrupt the sound of the air moving beneath and around them, so the owl is able to travel discretely.<br><br>


[[Image:Owlevolution2.jpg|thumb|300px|right|A mother owl flying at night to feed her chicks. https://i.dailymail.co.uk/i/pix/2011/08/04/article-0-0D4AB94300000578-59_638x437.jpg]]
[[Image:Owlevolution2.jpg|thumb|300px|right|A mother owl flying at night to feed her chicks. https://i.dailymail.co.uk/i/pix/2011/08/04/article-0-0D4AB94300000578-59_638x437.jpg]]

Revision as of 13:34, 8 November 2019

Introduction

Owls are known for their unique ability to see in the dark. This allows them to hunt when most other predators are sleeping, giving them a unique advantage. How did they evolve this ability, along with with their unique ability to move their necks close to 270 degrees, silent hunting ability, and their appearance?

Owls also have microbes that help them survive. These microbes


An Owl can rotate its neck up to 270 degrees. https://www.livescience.com/26771-how-owls-rotate-heads.html


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Legend/credit: Electron micrograph of the Ebola Zaire virus. This was the first photo ever taken of the virus, on 10/13/1976. By Dr. F.A. Murphy, now at U.C. Davis, then at the CDC.
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Section 1 Genetics

Owls are able to hunt at night based on sound alone. In order to do this, owls are born with the same basic wing structure as most birds, except the first primary feather on each wing is serrated, not smooth like in most birds. This allows the noise of the owl's flight to be silent. The serrated edges on the wings disrupt the sound of the air moving beneath and around them, so the owl is able to travel discretely.

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Section 2 Microbiome

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Edited by [Jaidyn Cook], student of Joan Slonczewski for BIOL 116 Information in Living Systems, 2019, Kenyon College.