About Birds of the World

Birds of the World is a powerful research database that brings together deep, scholarly content from four celebrated works of ornithology with millions of bird observations from eBird and multimedia from the Macaulay Library into a single platform where biologists and birders can explore comprehensive life history information on birds.

An in-depth overview of Birds of the World features can be found here.

Below is a description-in-brief:

• 10,721 species accounts
• 9 free accounts every month
• 249 bird family accounts
• 500 million+ eBird observations
• 100,000+ research citations
• 21,000 color illustrations of every species, and many subspecies
• Tens of thousands of media assets (photos, videos, and sound recordings) from the Macaulay Library
• Range maps, eBird abundance maps, and animated migration maps
• Avian taxonomy explorer
• Subscription access to individuals, institutions and nonprofits
• Ongoing updates

Birds of the World is available by subscription to anyone in the world. View the links in the left sidebar for more information.