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

The National Geographic Guide to Birding in North America
Available Formats The National Geographic Guide to Birding in North America Secure Scanned : 04/26/2025 Watch HD Download HD
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

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

Overview: 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.

Watch Trailer First Air Date: May 26, 2017 Last Air date: May 26, 2017 Season: 1 Season Episode: 24 Episode Runtime: 30 minutes Quality: HD IMDb: 0.00 / 10 by 0 users Popularity: 0.2973 Language: English

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