OrnitO is an Android-based birding field guide that provides an extensive database of birds from all over the world. The app is designed to aid birdwatchers in identifying birds quickly and efficiently, showcasing their distinct features and differences from similar species. It features graphics of birds, scientific and common names in over 300 local languages, bird recordings, and a checklist to keep track of your observations.

With OrnitO, you can easily search for birds by their scientific or common names, and filter them based on various characteristics such as size, color, and habitat. The app also includes a "Nearby Observations" feature that allows you to see recent sightings of birds in your area, making it an excellent tool for birders of all levels.

Overall, OrnitO is a great resource for bird enthusiasts who want to expand their knowledge and enhance their birdwatching experience. It's easy to use, informative, and completely free, making it a must-have app for any birding enthusiast.