Season
Season 1 Episode
- Season 1 Birding Basics: Bird Origins and Taxonomy
- Season 1 Basic Bird Anatomy
- Season 1 Size, Shape, and Color as Birding Tools
- Season 1 Bird Distribution, Status, and Endemism
- Season 1 Habitat and Season as Birding Tools
- Season 1 Introduction to Birding Optics
- Season 1 Tactics for Better Birding
- Season 1 Using Bird Behavior to Identify Birds
- Season 1 Understanding Variations in Plumage
- Season 1 Birding by Ear
- Season 1 Essentials of Bird Migrations
- Season 1 Birding at Night
- Season 1 Pelagic Birds
- Season 1 Waterbirds, Shorebirds, and Game Birds
- Season 1 Diurnal Raptors
- Season 1 From Doves to Kingfishers
- Season 1 Passerines: From Flycatchers to Thrushes
- Season 1 Passerines: From Thrashers to Warblers
- Season 1 Passerines: From Tanagers to Birders
- Season 1 Photography for Birders
- Season 1 Birding Sites in Eastern North America
- Season 1 Birding Sites in Western North America
- Season 1 Birds and People
- Season 1 Birding Ethics and Conservation
The National Geographic Guide to Birding in North America - Season 1 Episode 9 Understanding Variations in Plumage
0.00 30 minutes 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.
