Editing Lake Constance (section)

===== Waterfowl =====
[[File:Blässhuhn Fulica atra 03.JPG|thumb|Coot in Hard am Bodensee]]
In spring, the Lake Constance is an important breeding ground, especially for the [[Eurasian coot|coot]] and [[great crested grebe]].<ref>{{Cite web |url=http://www.bodensee-ornis.de/informationen-zum-bodensee/ |title=Fluctuating water levels |access-date=2017-09-03 |archive-url=https://web.archive.org/web/20160916032018/http://www.bodensee-ornis.de/informationen-zum-bodensee/ |archive-date=2016-09-16 |url-status=dead }}</ref> Typical waterfowl include the: [[Northern shoveler|shoveler]], [[Common goldeneye|goldeneye]], [[goosander]], [[Common pochard|pochard]], [[grey heron]], [[Northern pintail|pintail]], [[tufted duck]] and [[mallard]].<ref>Information board on the Überlingen promenade.</ref>

In December 2014, 1,389 [[great cormorant|cormorant]] were counted. The International Lake Constance Fishery Association (IBF) estimates the food requirements of the cormorants on Lake Constance at 150 tonnes of fish annually.<ref name="Franz Domgörgen 2015">Franz Domgörgen: ''Stabile Verhältnisse im Vogelparadies.'' ''Stabile Verhältnisse im Vogelparadies.'' In: ''Südkurier.'' 3 January 2015.</ref>