Untersee of Lake Constance

Year of compilation: 2000

Site description
The Untersee is a large shallow lake situated on the course of the River Rhine, adjacent to Swiss IBA 014. Habitat-types include riverine forest, Alnus swamp-forest, dry grassland, wet meadows, lightly improved grassland, shallow water zones, reed- Phragmites and sedge-beds, mudflats and gravel-banks.

Key biodiversity
This is an important stop-over site for passage wildfowl. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (breeding).

Protected areas
National High International HighIBA overlaps with Landscape Protected Area and Nature Reserve. IBA overlaps with Ramsar Site and Special Protection Area.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Untersee of Lake Constance. Downloaded from on 29/10/2020.