The National Geographic Guide to Birding in North America Episode 3, Size, Shape, and Color as Birding Tools Episode 3, Size, Shape, and Color as Birding Tools.
Streaming video - 2017
Look first at three physical tools that you can use right away to become a more effective birder. Consider how familiarity with the shape or silhouette of bird families, as well as bird size, aid you in focusing in on exact species. Study the color factors of pigment and keratin, as they produce the dazzling range of bird coloration, and investigate color as an identification tool.
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[San Francisco, California, USA] :
The Great Courses
2017.
2019. - Language
- English
- Other Authors
- Online Access
- A Kanopy streaming video
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- Title from title frames.
Film
In Process Record. - Physical Description
- 1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
- Format
- Mode of access: World Wide Web.
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- AVAILABLE FOR USE ONLY BY IOWA CITY AND RESIDENTS OF THE CONTRACTING GOVERNMENTS OF JOHNSON COUNTY, UNIVERSITY HEIGHTS, HILLS, AND LONE TREE (IA).