We believe birds are a gateway to caring for the natural world. Help us spark curiosity and foster learning, starting with the earliest ages, through the college years, and lasting a lifetime.

Our free bird identification app can identify birds from around the world based on 5 simple questions, or from photographs.

All About Birds is your free online guide to birds and bird watching. Explore in-depth species information, tips from the Lab’s experts, and inspirational v ...

Answer three simple questions about a bird you are trying to identify and Merlin will give you a list of possible matches. Merlin offers quick identification help for all levels of bird watchers to help you …

Merlin has grown to be the most updated field guide you can put in your pocket, complete with photos, sounds, and ID tips for more than 6,000 bird species and seasonal bar charts for any location at a …

The program will ask you five simple questions about a bird you are trying to identify and Merlin’s Bird ID Wizard will come up with a list of possible matches.

This interactive quizzing tool covers more than 640 bird species from across the United States and Canada, offering personalized, adaptive learning for bird enthusiasts of all levels.

All About Birds is an online guide to birds and bird watching, produced by the Cornell Lab of Ornithology. It has information about over 700 North American species—helping users identify birds, learn about …

Merlin is a free app from the Cornell Lab of Ornithology that helps you discover your local birds and build your bird ID skills in the field. It provides an easy-to-use interface that identifies birds with five simple …

On a bird in the hand these can be measured easily, but they are not easily seen in the field. Primaries (the feathers that come out of the hand part of the wing) are numbered starting from the inside of the …