The diverse birdlife of Europe is described in detail with edited Wikipedia texts and numerous pictures. Further links lead directly to further videos, photos and audios of the bird voices of the IBC database (The Internet Bird Collection), as well as to the foreign language Wikipedia entries in E, F, I, Sp, Ndl, Rus, Arab, Chi, Jap, Kor, Hindi, which makes the app interesting for foreign nature lovers.

With easy-to-observe characteristics (plumage color, size, body shape, habitat), the individual species can be determined. You can also search for the types of a family or higher-level location. The families and orders are also described in detail to understand relationships and differences.

The integrated field book, as well as the note functions for each bird, allow to capture own observations and to share them with friends.