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Poster The National Geographic Guide to Birding in North America

The National Geographic Guide to Birding in North America Season 1 Episode 9: Understanding Variations in Plumage 2017

Watch Tv Show Series The National Geographic Guide to Birding in North America : Plumage variation in a single bird reveals much useful information. First, take account of plumage differences based on sex, and seasonal plumage changes. Then investigate the remarkable range of age-related plumage variation in birds. Learn how birds molt (shed and replace plumage), and how hybrid species, as well as genetic and environmental factors, pose challenges for identification..

Genre: Documentary
Air Date: 2017-05-26
Season Number: 1
Episodes Number: 9
Stars: James Currie (Self - Host)
Download : MKV
Download : MP4

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