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

Trailer
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.

First Air Date: May 26, 2017

Last Air date: May 26, 2017

Season: 1 Season

Episode: 24 Episode

Runtime: 30 minutes

IMDb: 0.00/10 by 0.00 users

Popularity: 0.463

Language: English