Detailed information, illustrations, maps and other material on all the bird species of the world.
Contents constantly updated by professional editors and moderated user participation via “Ornithological notes”.
Highly customizable format to meet every user’s needs and interests, allowing geographical filtering and inclusion of personal notes.
More than 96,000 videos, photographs and sounds conveniently linked for quick and easy access.
Easily track the scientific references in the work. Over 18,000 new references used in the updating process by the editors.
Google translator for 71 languages integrated in each page to aid comprehension by non-English speakers. Preview it on the Andean Condor species page.