Biology
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Biology Articles/Videos
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Living Bird Magazine In Australia, Fairywrens Are Adding Plastic to Their Mating Displays -
Living Bird Magazine Warblers in New Hampshire's Forests Have Found an Ideal Way to Divvy Up Territories -
Living Bird Magazine Why Do Nuthatches Coat Their Nest Entrances With Sap? -
Backyard Birds Revealed Puts America's Favorite Birds in the Spotlight -
Two Ways to Climb a Tree: Backyard Birds Revealed -
Explore Woodpecker Holes and Why They are in High Demand: Backyard Birds Revealed -
Understand Bird Behavior at the Feeder: Backyard Birds Revealed -
How Birds Stay Warm in the Winter Snow: Backyard Birds Revealed -
Craig Benkman's 40-Year Fascination With Crossbills and Conifers -
In Africa, Nesting Superb Starlings Get Help From Family Friends -
How Can Puffins Fly Both in the Air and Underwater? Wild Birds Revealed -
Watch the Masterful Flight of Tree Swallows: Wild Birds Revealed -
The Slow-Motion Beauty and Skill of an Osprey's Dive: Wild Birds Revealed -
How to Recognize Woodpeckers by Their Drumming Sounds -
Why Do Birds Put Snakeskin in Nests? It May Warn Away Predators -
Living Bird Magazine The Hole Story: How Woodpeckers Make Homes for the Rest of the Forest -
What's Really Going On at Your Bird Feeder? Watch for These Clues -
Photo Gallery: Meet The "Cosmopolitan" Birds That Occur All Over the World -
Living Bird Magazine Who Wins at the Bird Feeder—the Lone Wolf or the Social Butterfly? -
Living Bird Magazine To Catch Voles Under the Snow, Great Gray Owls Must Overcome an Acoustic Mirage -
Living Bird Magazine How Do Cooper’s and Sharp-shinned Hawks Coexist in Backyards? FeederWatch Investigates -
Living Bird Magazine Hairy Woodpeckers Use Body Language to Show Who's Boss -
Living Bird Magazine The Coolest Hummingbird, as Measured by an Actual Thermometer -
How Do Birds "Fall in Love"? A Look at Courtship Displays -
Living Bird Magazine Do Birds Dream? -
Living Bird Magazine In Africa, Sociable Weavers Build a Nest of Many Uses -
Macaulay Library Recordings Help Unravel the Mystery of Mixed-Species Flock Leadership -
Living Bird Magazine How Do Birds Survive the Winter? -
Living Bird Magazine Female Birds-of-Paradise Go For Complex Males -
Robots, Telemetry, and the Sex Lives of Wild Birds [video] -
Project FeederWatch When 136 Bird Species Show Up at a Feeder, Which One Wins? -
Project FeederWatch Who Is the Toughest Bird in Your Backyard? -
In a Flashy Species, Drab Young Males Find Their Own Route to Success With Females -
Bird Population Studies Flying on Fumes: How Birds Meet Their Oxygen Demands at High Altitude -
Living Bird Magazine A Noble Vision of Gulls -
Project FeederWatch Bird Feeder Behavior Project: Find Out Who is Interacting with Whom -
Where Is That Bird Going With That Seed? It's Caching Food for Later -
Macaulay Library Fairywrens Sing to Deter Cheating Mates -
Project FeederWatch Tell us About Bird Behavior at Your Feeder -
Bird Academy Clark’s Nutcrackers and the Trees They Depend On -
Birds-of-Paradise Project Black Sicklebill: The Thin Blue Line -
Vogelkop Bowerbird Decorates His Bower With Flowers -
Black Skimmer Chicks Beg For Food With a Humorous Pose -
Bird Academy Superb Lyrebird Might Be the Fanciest Bird in the World -
Birds-of-Paradise Project Bird-of-Paradise Spreads His Feather Skirt and Dances -
Four Nuthatches, Four Ways to Make It Through a Cold Winter -
Project FeederWatch Coping with Cold: A Bird’s Strategy -
How to Recognize Duck Courtship Displays -
Project FeederWatch Cooperative Breeding? In My Backyard? -
Project FeederWatch The colors on backyard birds may mean more than we think -
How Do Tired Birds Choose Where to Stop During Migration? -
Brilliant Flash: Red-winged Blackbird Territorial Displays -
Why Chickadees Grab Seeds and Go: Feeder Bird Strategies -
Bird Academy Bird Academy -
To Know the Crow: Insights and Stories From a Quarter-Century of Crow Study [Video] -
Celebrate Urban Birds Focal Species Close-Up: Brown-headed Cowbirds -
Bird Cams How Birds Survive the Cold: Feathers + Food = Warmth -
Snowy Owl vs. Peregrine Falcon -
Bird Academy Golden Eagle Flying Through Snow -
Bird Academy The Distinctive Calls of Owls: A Sampler -
Living Bird Magazine How Clark's Nutcrackers Find Buried Seeds Under a Blanket of Snow -
Evolutionary Biology Infidelity in Australian Bird May Be the Secret Keeping a Species Together -
Bird Academy Nutcrackers, Whitebark Pines, and Climate Change -
Bird Academy On a Lek with Gunnison Sage-Grouse -
Thump!: The Ruffed Grouse Mate Attraction Display -
How Do Starling Flocks Create Those Mesmerizing Murmurations? -
Bird Cams Great Horned Owl Twilight Visit to Sapsucker Woods Heron Nest -
Bird Cams Two Ruffed Grouse Visit the Ontario FeederWatch Cam -
Birds-of-Paradise Project Extreme Choosiness: the Many Phases of Courtship for a Greater Bird-of-Paradise -
Birds-of-Paradise Project The Surprising Secret of the Twelve-wired Bird-of-Paradise's Strange Feathers -
Birds-of-Paradise Project Inspection & Touch: and the Birds-of-Paradise -
Birds-of-Paradise Project For Birds-of-Paradise, Life’s a Stage -
Birds-of-Paradise Project Carola’s Parotia: King of the Dance -
Birds-of-Paradise Project Paradise Riflebirds Need a Lot of Practice to Learn Their Display Dance -
Birds-of-Paradise Project This Riflebird's Courtship Display Requires Fluid Coordination -
Birds-of-Paradise Project Dance: and the Birds-of-Paradise -
Birds-of-Paradise Project The Ballerina Dance of the Carola's Parotia Bird-of-Paradise
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Birds-of-Paradise Project Superb Bird-of-Paradise: Psychedelic Smiley Face -
Birds-of-Paradise Project Shape Shifting: and the Birds-of-Paradise -
Birds-of-Paradise Project Taking a Closer Look: Inspection & Touch as Part of Courtship -
Birds-of-Paradise Project Birds-of-Paradise That Can Change Shape Right Before Your Eyes -
Courses Bird Behavior Online Course: Courtship and Rivalry (Preview) -
Spoon-billed Sandpiper: Breeding Season -
Bird Academy The Cutest Sandpiper? Watch Baby Spoon-billed Sandpipers Hatch -
Bird Academy Spoon-billed Sandpiper: Foraging -
Bird Academy Spoon-billed Sandpiper: Courtship -
Bird Academy Loud and Goofy: Long-tailed Duck Territorial Calls -
Comic Relief: Willow Ptarmigan Territorial Calls -
New Book Tackles Old Question: Competition Between Bird Species -
How Yellow-billed Loons Survive in the Arctic -
How a Parrot Learns Its Name in the Wild -
Bird Population Studies Acorn Woodpeckers Help Each Other in Times of Plenty -
Shorebird Foraging Strategies -
Foraging and Flocking: The Black-necked Stilt -
Project FeederWatch What Are Feeder Birds Doing With All Those Seeds? Hi-Tech Tools Find Out -
Macaulay Library Zoom!: The Aerial Display of the Common Nighthawk -
Macaulay Library Inflatable Throat: Magnificent Frigatebird Mating Display -
Bird Academy Real Angry Birds: Sharp-tailed Grouse Battle -
Eastern Screech-Owl Camouflage -
Students Interpreting Red-winged Blackbird Behavior -
Wood Thrush Pair at Nest -
Bird Academy Keeping the Peace: Threat Signals in Gull Colonies -
Students Coordinated Cooperation: A Feeding Strategy that Reduces Nestling Competition -
Students Shared Dynasties Among Acorn Woodpeckers -
Students The Importance of Family for Western Bluebirds -
In-Flight Albatross Cam Finds the Birds Feeding with Killer Whales -
Video: Rooks Use Rocks to Reach Reward -
Remember me? Crows do
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American Kestrel by Blair Dudeck / Macaulay Library