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The Cornell Lab of Ornithology
All About Birds

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Your online guide to birds and bird watching

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Hooded Merganser by Greg Gard
Bird Academy All About Bird Antomy. Illustration by Andrew Leach.

All About Bird Anatomy

Gentoo Penguins by Chris Linder

Living Bird Winter 2016—Table of Contents

Laysan Albatross

Bird Cams: Live Laysan Albatross Nest Camera

Essentials

Anna’s Hummingbird by Michael Renzi, 2015 GBBC
Great Backyard Bird Count

Join us for the Next Great Backyard Bird Count, February 12-15, 2016

Project FeederWatch: How to Participate
Project FeederWatch

Project FeederWatch: How to Participate

BirdSpotter Photo contest 2015
Project FeederWatch

Project FeederWatch 2015-16 Birdspotter Photo Contest

red-bellied woodpecker, european starling, and northern cardinals at bird feeder in winter

How to Provide Seeds and Shelter for Backyard Birds

dark-eyed junco by Norm Townsend

How Birds Survive the Cold: Feathers + Food = Warmth

Latest Articles

White-breasted Wood-Wren by Carroll Perkins via Birdshare.
Students

For Tropical Wren, Songs and Species Evolve in Isolation

Noah Strycker in Antarctica at the beginning of 2015.
eBird

eBirding the World: Noah Strycker’s 2015 Big Year Summary

Frank LaSorte's migration research map
eBird

Mesmerizing Migration: Watch 118 Bird Species Migrate Across a Map of the Western Hemisphere

An Anna's Hummingbird sits out a winter storm in Washington state. Hummingbirds are tough little birds that can withstand cold temperatures as long as there is food available. Photo by Tom Colegrove via Birdshare.

There's a hummingbird at my feeder in the dead of winter. Will he be okay?

A White-winged Crossbill enjoying a seedy snack. photo by Sunil Gopalan
Project FeederWatch

Understanding the Migratory and Irruptive Movements of Crossbills

Nesting Trumpeter Swans by USFWS Mountain-Prairie
NestWatch

What you can do to Help Birds and Celebrate the Centennial of the First International Migratory Bird Treaty

Snow Bunting
eBird

January 2016 eBirder of the Month Challenge

Eastern Meadowlark
eBird

Cornell Lab of Ornithology Young Birders Event 2016—Apply by March 15

YardMap and Schoolyards, Photo by George Dutton
BirdSleuth

Using YardMap for Schoolyard Habitat Improvements

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bird image Blue-winged Warbler by Brian Sullivan

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