• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Common Little Bittern Ixobrychus minutus	LC	breeding (1995–2005)	4–11 pairs	C6
Mediterranean Gull Larus melanocephalus	LC	breeding (1997–2005)	1–8 pairs	C6
Common Tern Sterna hirundo	LC	breeding (2000–2005)	228–310 pairs	C6
Black Kite Milvus migrans	LC	breeding (2005)	8 pairs	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
1976	Rheindelta	Naturschutzgebiet (IV)	54
1991	Mehrerauer Seeufer - Bregenzerachmündung	Naturschutzgebiet (IV)	2

Habitat	% of IBA	Habitat detail
Wetlands (inland)	60	Standing freshwater; Water fringe vegetation
Grassland	30	Humid grasslands; Mesophile grasslands
Artificial/Terrestrial	5	Arable land; Forestry plantations
Forest	5	Alluvial and very wet forest

Land use	% of IBA
fisheries/aquaculture	60
agriculture	35
forestry	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Delta of the Rhine (Austria). Downloaded from https://datazone.birdlife.org/site/factsheet/delta-of-the-rhine-iba-austria on 22/12/2024.