Migration
Birds of the Yellow Sea
video 12:58
Coffee plants
ConservationMigration
Bird Research and Shade-Grown Coffee
video 4:28
Spectrogram of a White-throated Sparrow Song
Biology
Avian Vocal Behavior—Sound Visualizations
page
Wall of Birds Mural detail
ConservationEvolution
Wall of Birds
Interactive Feature
AnatomyBehavior
Built to Peck: How Woodpeckers Avoid Brain Injury
video 25:00
Anatomy
All About Bird Anatomy
Interactive Feature
Conservation
How Hunters and Artists Helped Save North America’s Waterfowl
article
ConservationFood + Foraging
Clark's Nutcrackers and the Trees They Depend On
video 08:28
collage of bird photos arranged to create a rainbow gradient Photo: Jeff Szuc
AnatomyFeathers
How Birds Make Colorful Feathers
article
Feathers
Bird Plumage Variations and Abnormalities
article
Feathers
Iridescence Revealed in the Feathers of an Anna’s Hummingbird
clip 0:26
BehaviorNesting
Cliff Swallows Build Nests From Mud
video 1:29
Behavior
Vogelkop Bowerbird Decorates His Bower With Flowers
clip 0:52
Behavior
Superb Lyrebird Might Be the Fanciest Bird in the World
clip 1:04
Behavior
Black Skimmer Chicks Beg For Food With a Humorous Pose
clip 2:11
Behavior
Golden Eagle Lifting Off and Flying Through the Snow
clip 0:58
BehaviorFood + Foraging
Boreal Owl Hunting in Daylight
clip 1:51
Conservation
Chickadee Study Shows Climate Change Affecting Distribution
video 2:03
Behavior
Bird-of-Paradise Spreads His Feather Skirt and Dances
clip 1:15
BehaviorSongs + Calls
Northern Mockingbird Sings Hundreds of Borrowed Songs
clip 0:45
BehaviorNesting
Gentoo Penguins Build Rock Nests on the Antarctic Ground
video 2:!4
BehaviorEvolution
A Fancy Experiment
Interactive Feature
BehaviorEvolution
Fancy Males & Choosy Females
Interactive Feature
Evolution
Fanciness Lost
Interactive Feature
BehaviorEvolution
On a Sage-Grouse Lek
Interactive Feature
BehaviorEvolution
How Fanciness Evolves
Interactive Feature
BehaviorEvolution
Ways To Be Fancy
Interactive Feature
Evolution
Fancy Males
Interactive Feature
BehaviorEvolution
All About Fancy Males
Interactive Feature
Greater-Sage-Grouse male with females
BehaviorEvolution
On a Sage-Grouse Lek: Elite Males
video 1:59
Male Greater Sage-Grouse display
AnatomyBehavior
On a Sage-Grouse Lek: The Male Display
video 3:07
Greater Sage-Grouse males fight
Behavior
On a Sage-Grouse Lek: It's My Turf
video 2:05
Greater Sage-Grouse Lek
Behavior
On a Sage-Grouse Lek: The Busy Lek
video 1:01
Female Greater Sage-Grouse
BehaviorBrains + Senses
On a Sage-Grouse Lek: Female Connoisseurs
video 2:40
Songs + Calls
All About Bird Song
Interactive Feature
Songs + Calls
How and Why Birds Sing
article
Songs + Calls
Anatomy of Bird Song Slides
download
Songs + Calls
Bird Song Visualized Slides
download
Songs + Calls
Bird Song Hero Game
Interactive Feature
Songs + Calls
Birds Got Swing
Interactive Feature
Songs + Calls
Practice, Perfect
Interactive Feature
AnatomySongs + Calls
How Birds Sing
Interactive Feature
BehaviorSongs + Calls
Songbirds in Action
Interactive Feature
AnatomyEvolution
Ribbon-tailed Astrapia: The Three-Foot Tail
video 2:17
photo of a Club Winged Manakin
AnatomyFeathers
Meet a Feather Scientist
Interactive Feature
Detail of a dinosaur covered in simple feathers, or dino fuzz
EvolutionFeathers
Feathers Through Time
Interactive Feature
roseate spoonbill - flight feathers Photo: Don Bindler
AnatomyFeathers
What Feathers Do
Interactive Feature
Bird_Biology-contour_feather_illustration_side
AnatomyFeathers
How Feathers Are Built
Interactive Feature
Grey Catbird singing
BehaviorSongs + Calls
An Expert Mimic: The Gray Catbird
video 4:48
Feathers
All About Feathers
Interactive Feature
Feathers
Feather Biology Slide Collection
download
Detail of blue feathers
Feathers
Everything You Need To Know About Feathers
article
AnatomySongs + Calls
Built to Sing: The Syrinx of the Northern Cardinal
video 3:30
A bird becomes fancier through sexual selection
Evolution
Natural & Sexual Selection: An Illustrated Introduction
video 8:29
Two species of birds evolve on an island
Evolution
Speciation: An Illustrated Introduction
video 8:26
Sharp-tailed Grouse battle on a lek
Behavior
Real Angry Birds: Sharp-tailed Grouse Battle
video 1:55
Conservation biologist Marita Davison
Conservation
Protecting Flamingos in the Andes
video 5:44
Flamingos in Bolivia's Altiplano
Food + Foraging
Flamingos are Algae Vacuums, Really!
video 6:42
Ornithologist Nate Senner
Conservation
Birding From Birth, Now an Ornithologist
video 3:47
A tiny data logger for tracking birds
ConservationMigration
Tracking Epic Migrations: Tools of the Wildlife Biologist
video 4:09
Ornithologist Taza Schaming
Conservation
Becoming a Field Biologist
video 3:54
Ruffed Grouse with wings spread
BehaviorSongs + Calls
Thump!: The Ruffed Grouse Mate Attraction Display
video 2:17
Conservation
Seabird Success Story
video 6:10
A map of the Mississippi River watershed
Conservation
Restoring America's Delta
video 5:59
The Black Sicklebill transformed during courtship display
BehaviorFeathers
Black Sicklebill: The Thin Blue Line
video 2:51
The colorful Wilson's Bird-of-Paradise
EvolutionFeathers
Wilson's Bird-of-Paradise: A Full Spectrum
video 3:04
The iridescent throat of a Magnificent Riflebird
EvolutionFeathers
Magnificent Riflebird: Directional Color
video 1:49
Bird-of-paradise from the genus Parotia performing a ballerina dance
BehaviorEvolution
Parotia: Ballerina Dance
video 3:04
The long modified feathers on a King-of Saxony Bird-of-Paradise
EvolutionFeathers
King-of-Saxony: Giant Head Wires
video 2:54
Decoding the language of birds
BehaviorSongs + Calls
The Language of Birds
video 9:42
Territorial gulls coexist on Appledore Island in Maine
Behavior
Keeping the Peace: Threat Signals in Gull Colonies
video 3:59
A young male Paradise Riflebird imitates an adult courtship display
BehaviorEvolution
Paradise Riflebird: Practice, Practice
video 2:33
Iridescent feathers on a Ribbon-tailed Astrapia
Feathers
Iridescence: and the Birds-of-Paradise
video 1:25
Dance moves of Parotia birds-of-paradise
BehaviorEvolution
Carola's Parotia: King of the Dance
video 5:14
King-of-Saxony Bird-of-Paradise sings
Songs + Calls
King-of-Saxony: Otherworldly Calls
video 3:52
Yula Kapetenakos studies endangered Asian Vulture populations
Conservation
Yula Kapetanakos: Asian Vulture Study
video 6:04
The elongated windpipe of a Curl-crested Manucode
AnatomySongs + Calls
Curl-crested Manucode: Unusual Anatomy
video 3:19
Female parotia viewing a ballerina dance courtship display
BehaviorBrains + Senses
Multi-Cams: Revealing the Female Perspective
video 5:22
A diagram showing the transformation of the Superb Bird-of-Paradise during courtship display
Behavior
Superb Bird-of-Paradise: Psychedelic Smiley Face
video 4:30
Ed Scholes and Tim Laman in the field
Conservation
Teamwork: Discovery through Collaboration
video 5:22
AnatomyFeathers
Color: and the Birds-of-Paradise
video 6:40
BehaviorEvolution
Inspection & Touch: and the Birds-of-Paradise
video 5:08
Birds-of-Paradise transform their shape
BehaviorEvolution
Shape Shifting: and the Birds-of-Paradise
video 6:44
EvolutionSongs + Calls
Sound: and the Birds-of-Paradise
video 6:09
The diversity of colors in the Magnificent Bird-of-Paradise
AnatomyFeathers
Feathers: and the Birds-of-Paradise
video 6:16
Birds flying over the Yukon Delta in Alaska
HabitatMigration
Birds in the Ecology of Alaska's Yukon Delta
video 8:34
Spoon-billed Sandpiper foraging along the shore
BehaviorFood + Foraging
Spoon-billed Sandpiper: Foraging
video 3:09
A pair of Spoon-billed Sandpipers courting
Behavior
Spoon-billed Sandpiper: Courtship
video 3:33
A large flock of Snow Geese
BehaviorMigration
Massive Noisy Flocks: Snow Goose Migration
video 3:04
American Bittern calling
Songs + Calls
Territorial Call of the American Bittern
video 2:00
A Hudsonian Godwit being fitted with a tracking device
Migration
Chasing Hudsonian Godwits Across Continents
video 16:09
Green-rumped Parrotlets calling while still in their nest
Brains + SensesSongs + Calls
How a Parrot Learns Its Name in the Wild
video 5:48
A calling Common Loon
Songs + Calls
I’m Here, Where Are You?: Wails of the Common Loon
video 2:29
Male Magnificent Frigatebird inflates his red throat pouch
Behavior
Inflatable Throat: Magnificent Frigatebird Mating Display
video 2:42
Male Red-winged Blackbird spreads his wings
Behavior
Brilliant Flash: Red-winged Blackbird Territorial Displays
video 3:13
Acorn Woodpecker stores acorns in a granary
Food + ForagingHabitat
Storing Food: The Granaries of Acorn Woodpeckers
video 3:30
Shorebirds forage
Food + ForagingHabitat
Shorebird Foraging Strategies
video 7:02
Bleck-necked Stilts foraging in the mud
Food + Foraging
Foraging and Flocking: The Black-necked Stilt
video 2:48
Common Nighthawk dives creating a buzzing sound with its feathers
BehaviorSongs + Calls
Zoom!: The Aerial Display of the Common Nighthawk
video 2:41
Birds congregate in the Mississippi River Delta
ConservationHabitat
Birds in the Ecology of the Mississippi River Delta
video 10:33
Yellow-billed Loon tucks its leg under a wing in cold water
AnatomyBehavior
How Yellow-billed Loons Survive in the Arctic
video 3:06
White-winged Crossbill foraging
EvolutionFood + Foraging
White-winged Crossbill Foraging Adaptation
video 2:42
Eastern Screech-Owl hides in a tree hole
FeathersHabitat
Eastern Screech-Owl Camouflage
video 1:59
A group of young Royal Terns in a colony
BehaviorNesting
Tern Colony: A Creche For The Young
video 1:33
Golden-Eagle-on-a-Soaring-Thermal
Behavior
Golden Eagle Soaring on a Thermal
clip 1:32
Golden-Eagle-in-a-Hunting-Stoop
BehaviorFood + Foraging
Golden Eagle in a Hunting Stoop
clip 0:41
Yellow-bellied-Sapsucker
Food + Foraging
Yellow-bellied Sapsucker Drilling Sap Wells
clip 0:26
Double-crested-Cormorant-dries-its-feathers
Feathers
Double-crested Cormorant Dries its Feathers
clip 0:37
Dusky-Scrubfowl-foraging-with-feet
Food + Foraging
A Dusky Scrubfowl Foraging with Its Feet
clip 1:17
Dusky-Broadbill-Nest
Nesting
The Dusky Broadbill's Camouflaged Nest
clip 0:40
Common-Tern-Chicks
Feathers
Common Tern Chicks
clip 0:53
Blyth's-Paradise-Flycatchers-Nest-care
Nesting
Blyth's Paradise-Flycatchers Alternate Nest Responsibilities
clip 0:46
Bumblebee-Hummingbird-Throat-Feathers
Feathers
Brilliant Iridescent Throat Plumes of the Bumblebee Hummingbird
clip 0:50
Bluethroat-Broods-On-Nest
Nesting
A Bluethroat Feeds and Broods Chicks on Its Nest
clip 1:12
Banded-Kingfisher-Gives-Nuptial-Gift
Behavior
Banded Kingfisher Gives Nuptial Gift
clip 1:20
Andean-Cock-of-the-Rock
Feathers
Bright Feathers of the Andean Cock-of-the-Rock
clip 0:24
American-Woodcock-Camouflaged
Feathers
Camouflaged American Woodcock
clip 0:44
American-Redstart-Singing
FeathersSongs + Calls
A Colorful Male American Redstart Sings
clip 0:40
American-Bittern-Camouflage
Feathers
American Bittern Camouflages in the Reeds
clip 1:13
Akiapolaau-Forages
Food + Foraging
Akiapolaau Forages for Insect Larvae
clip 0:33
Acorn-Woodpecker-Feeds-Young
Nesting
Acorn Woodpecker Feeds Young
clip 0:54
Cerulean-Warbler-Gleans-Foliage
Food + Foraging
A Female Cerulean Warbler Foraging in a Treetop
clip 0:30
Blue-gray-Gnatcatcher-Tends-Nest
Nesting
A Blue-gray Gnatcatcher Tends Its Nest
clip 0:33
American-Robin-Builds-Nest
Nesting
A Female American Robin Reinforces Her Nest With Mud
clip 0:26
American-Coot-Chicks
Nesting
American Coot Chicks
clip 0:41
Wood-Thrush-Singing
Songs + Calls
Wood Thrush Singing
clip 0:30
Wood_Thrush_Feeding_Young
Nesting
A Wood Thrush Returns to its Nest to Feed Young
clip 1:23
Wilson's-Phalaropes-feeding
Food + Foraging
Wilson's Phalarope Foraging
clip 0:29
Diving-Ruddy-Duck
Food + Foraging
A Male Ruddy Duck in Nonbreeding Plumage Dives for Food
clip 0:45
Roseate Spoonbills foraging
Food + Foraging
Roseate Spoonbills Forage
clip 0:39
Rock Ptarmigan on nest
Nesting
A Female Rock Ptarmigan Sits on Her Nest
clip 0:44
Red-necked Grebe on nest
Nesting
A Red-necked Grebe Sits on Its Nest
clip 1:01
Purple Gallinule foraging
Food + Foraging
An Immature Purple Gallinule Forages for Seeds
clip 1:32
Pileated Woodpecker Male and neslings
Nesting
A Pileated Woodpecker Feeds His Two Nestlings
clip 0:32
Mallards foraging
Food + Foraging
A Couple of Mallards "Dabble" and Feed on Aquatic Vegetation
clip 1:29
Gyrfalcon on the snow
Food + Foraging
A Gyrfalcon Hunting in the Snow, Catches a Small Rodent
clip 0:46
Green Heron hunting
Food + Foraging
An Alert Green Heron Hunting For Fish
clip 0:56
Philippine Eagle in flight
BehaviorFeathers
Slow Motion Philippine Eagle Flight
clip 1:12
Philippine Eagle Soaring
Behavior
Soaring Philippine Eagle
clip 1:02
Philippine Eagle Landing
Behavior
Philippine Eagle Landing on a Branch
clip 0:38
Golden Eagle Landing
Behavior
Golden Eagle Landing
clip 0:29
Hudsonian Godwits in Flight
Migration
Migrating Hudsonian Godwits
clip 0:25
Mountain Bluebird Flying Into the Wind
Behavior
Mountain Bluebird Flying in the Wind
clip 0:15
Satin Bowerbirds at bower
Behavior
Female Satin Bowerbird Visiting Bower
clip 2:19
Wire-tailed Manakin
Behavior
Wire-tailed Manakin Courtship Display
clip 1:13
Yellow-chevroned Parakeet Eats Fruit
Food + Foraging
Yellow-chevroned Parakeet Eating Fruit
clip 0:52
Food + Foraging
Straight-billed Woodcreeper Breaks Down Large Insect
clip 1:10
BehaviorFeathers
Twelve-wired Bird-of-Paradise Male-Female Plumage Differences
clip 0:54
Preening-Stork-billed-Kingfisher
BehaviorFeathers
Preening Stork-billed Kingfisher
clip 0:55
BehaviorFeathers
Subadult Plumage of the Paradise Riflebird
clip 1:20
Nesting
Olive-backed Sunbird Removing Fecal Sac From Nest
clip 0:47
Montezuma-Oropendola-nest
Nesting
The Montezuma Oropendola's Hanging Nest
clip 0:32
King-Penguins-Incubating-Eggs-with-their-Feet
BehaviorNesting
King Penguins Incubating Eggs on Their Feet
clip 0:53
Behavior
Vibrant Red House Finch
clip 0:28
Contour-Feathers-of-the-King-Penguin
Feathers
Contour Feathers of the King Penguin
clip 1:07
Feathers
Molting Indigo Bunting
clip 0:21
Cornell University Lab-on-a-Bird project
AnatomyMigration
How do You Put a Lab on a Bird?