The IBA comprises the bay where the Rhine leaves Lake Constance and part of the River Rhine itself, adjoining Swiss IBA 015. The bay remains ice-free during the winter.
The site holds more than 20,000 wintering wildfowl on a regular basis.
BirdLife International (2021) Important Bird Areas factsheet: Konstanzer Bucht of Lake Constance. Downloaded from http://www.birdlife.org on 05/03/2021.