Delve deeper into special topics through Interactive Features and in depth articles.

Songs + Calls
BeastBox—DJ with Animal Sounds
Make your own music by mixing wild voices with beatbox loops. With this game anyone can be a wil...
Interactive Feature
Evolution
Flap to the Future: The Flight Adaptations Game
Explore the adaptations that helped birds master the skies.
Interactive Feature
Biology
Bird Academy's A-to-Z Glossary of Bird Terms
ABCDEFGHIJKLMNOPQRSTUVWXYZ A abdominal air sacs A pair of air sacs in the abdominal region of bi...
article
Biology
Avian Vocal Behavior—Sound Visualizations
Throughout this chapter you will find references to songs and calls that will help you understan...
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ConservationEvolution
Wall of Birds
Explore the diversity of 243 bird families and 375 million years of evolution.
Interactive Feature
Anatomy
All About Bird Anatomy
Discover how birds are built with over 100 parts to explore and quiz yourself on.
Interactive Feature
Conservation
How Hunters and Artists Helped Save North America’s Waterfowl
Be a part of the Duck Stamp success story.
article
AnatomyFeathers
How Birds Make Colorful Feathers
The colors in the feathers of a bird are formed in two different ways, from either pigments or f...
article
Feathers
Bird Plumage Variations and Abnormalities
Variations in plumage can be based on the sex of the bird, its age, or seasonal changes caused b...
article
BehaviorEvolution
All About Fancy Males
Get up-close and explore the fanciest birds on the planet.
Interactive Feature
Songs + Calls
All About Bird Song
Birds sing to be heard. Listen up and become bird song savvy.
Interactive Feature
Bird IDSongs + Calls
Behind the Scenes of Birds Got Swing
Last April, just as the birds were flowing into Central Park on their spring migration, I had th...
article
Songs + Calls
How and Why Birds Sing
birds!
article
Songs + Calls
Anatomy of Bird Song Slides
See the songbird syrinx in action and animate one of the most complex trills in the bird world w...
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Songs + Calls
Bird Song Visualized Slides
Learn to “see” and better understand bird song with the Bird Song Visualized Slide C...
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Songs + Calls
Bird Song Hero: The Song Learning Game for Everyone
Train your brain to recognize and remember over 50 bird songs.
Interactive Feature
Feathers
All About Feathers
They’re light, flexible, strong, and colorful. Learn the secrets of feather biology.
Interactive Feature
Feathers
Feather Biology Slide Collection
From animated views of feather microstructure to step-by-step diagrams of the feather growth pro...
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Feathers
Everything You Need To Know About Feathers
Unique to birds and their dinosaur ancestors, feathers have evolved into impressive biological s...