DOFs fuglebog is a free Android app developed by Dansk Ornitologisk Forening, designed to help you identify and learn about various bird species in Denmark. With this app, you can easily determine the bird's size, color, location, and more, to get detailed information about any bird species, from small goldcrests to giant eagles.

The app also provides a comprehensive list of the most common bird species found in Denmark, complete with pictures, bird calls, and detailed information about their biology. You can also mark off the birds you have seen or heard, and keep track of your sightings.

Moreover, the app has a map feature that shows you the bird hotspots in Denmark, such as lakes, forests, and bird hides, where you can experience a wide variety of birds. You can even search for a specific bird species on the map and find the locations where it is most commonly found. Whether you are a birdwatcher or just curious about the birds in your backyard, DOFs fuglebog is a must-have app for you.