World of birds: Flight, form, and function
Feet, bills, and digestion
Respiration and metabolism
Senses and vocal apparatus
Origins, evolution, and classification
How bird species originate
Daily and seasonal rhythms
Daily maintenance behaviors
Habitats and distributions
Habitat distribution patterns
Wetland and aquatic habitats
Populations and conservation
What determines bird population sizes?
Tracking bird populations in North America
Protecting North American birds.
Bird families of North America: Loons
Herons, Egrets, and Bitterns
Grouse, Turkeys, and allies
Rails, Gallinules, and Coots
Sandpipers, Phalaropes, and allies
Cuckoos, Roadrunners, and Anis
Long-tailed Tits (Bushtit)
Old World Warblers and Gnatcatchers
Mockingbirds and Thrashers
Blackbirds, Orioles, and allies