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Module by: OpenStax College. E-mail the author

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Name: Birds
ID: m44694
Language: English (en)
Summary: By the end of this section, you will be able to:
  • Describe the evolutionary history of birds
  • Describe the derived characteristics in birds that facilitate flight
Subject: Science and Technology
Keywords: Archaeopteryx, bird, bird evolution, contour feather, down feather, Enantiornithes, flight feather, furcula, Neognathae, neornith, Paleognathae, pneumatic bone, primary feather, secondary feather, therapod, Vertebrata, vertebrate, vertebrates, veterinarian
License: Creative Commons Attribution License CC-BY 3.0
Authors: OpenStax College (info@openstaxcollege.org)
Copyright Holders: Rice University (daniel@openstaxcollege.org)
Maintainers: OpenStax College (info@openstaxcollege.org), Cnx Biology (ryan.s.stickney@gmail.com)
Latest version: 1.4 (history)
First publication date: Aug 23, 2012 2:51 pm -0500
Last revision to module: Apr 10, 2013 3:36 pm -0500

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XML: m44694_1.4.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.
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Version History

Version: 1.4 Apr 10, 2013 3:36 pm -0500 by Cnx Biology
Changes: 
Review Questions
Version: 1.3 Apr 9, 2013 12:03 am -0500 by Cnx Biology
Changes: 
review change
Version: 1.2 Mar 5, 2013 1:28 pm -0600 by Cnx Biology
Changes: 
migration spreadsheet changes
Version: 1.1 Aug 30, 2012 11:08 am -0500 by Cnx Biology
Changes: 
Created module

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OpenStax College. Birds, Connexions Web site. http://cnx.org/content/m44694/1.4/, Apr 10, 2013.

American Medical Assocation (AMA) Manual of Style:

OpenStax College. Birds [Connexions Web site]. April 10, 2013. Available at: http://cnx.org/content/m44694/1.4/.

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OpenStax College. (2013, April 10). Birds. Retrieved from the Connexions Web site: http://cnx.org/content/m44694/1.4/

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OpenStax College. "Birds." Connexions. April 10, 2013. http://cnx.org/content/m44694/1.4/.

Chicago Manual of Style (Note):

OpenStax College, "Birds," Connexions, April 10, 2013, http://cnx.org/content/m44694/1.4/.

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OpenStax College. 2013. Birds. Connexions, April 10, 2013. http://cnx.org/content/m44694/1.4/.

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OpenStax College. Birds. Connexions. 10 Apr. 2013 <http://cnx.org/content/m44694/1.4/>.