We use science to understand the world, to find new ways to make conservation work, and to involve people who share our passion.
The mystery behind beautiful males is explained; learn about bird dynamics going on at your feeders; find out what winter strategies nuthatches use to survive the cold; and more.
People sent in more than 147,000 checklists from more than 100 countries. In all, you reported a record 5,090 species, equal to nearly half of all bird species in the world.
Submit at least 20 complete checklists to eBird that contain one or more species of waterfowl and you could win a pair of Zeiss Conquest HD 8×42 binoculars.
All About Birds Biology new interactive feature focuses on what makes male birds so fancy.
Feeder birds operate in complex hierarchies, and you can piece together what's going on by paying attention to a few telltale behaviors.
There are four species of nuthatches in North America, each with it's own set of strategies for making it through the winter.
Come meet the newly hatched albatross and Great Horned Owl chicks. Also, Red-tailed Hawks Big Red and Ezra have started investigating the nest platform, will they start nesting soon?
New study finds that both groups are more likely than the public at large to support conservation.
The Cornell Lab's Celebrate Urban Birds program is a great resource for urban youth who don't always have much exposure to nature, birds, or know about careers in science.
Our Upcoming Bird Festivals and Events webpage can help plan your next birding trip. Look through listings by calendar or on a map, and start planning your road trip right from the page.
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Our selection of courses offers all age groups and skill levels lots of ways to learn, no matter where you are located
Browse bird images or contribute your own
Share photos, questions, and comments with a community of people passionate about birds
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Cornell Lab of Ornithology
159 Sapsucker Woods Rd
Ithaca, NY 14850