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.