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.
| Title | The National Geographic Guide to Birding in North America - Season 1 Episode 9 Understanding Variations in Plumage |
|---|---|
| Year | 2017 |
| Genre | Documentary |
| Country | United States of America |
| Studio | Wonderium |
| Cast | James Currie |
| Crew | James Currie (Writer) |
| Alternative Titles | |
| Keyword | natural history, birding, educational, guide, science |
| First Air Date | May 26, 2017 |
| Last Air date | May 26, 2017 |
| Season | 1 Season |
| Episode | 24 Episode |
| Runtime | 30:14 minutes |
| Quality | HD |
| IMDb: | 0.00/ 10 by 0.00 users |
| Popularity | 0.648 |
| Language | English |
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