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

The site was identified as internationally important for bird conservation in 2002 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
Greylag Goose Anser anser	LC	passage (1990–1999)	2,760 birds	B1i, C3
Bean Goose Anser fabalis	LC	passage (1990–1999)	12,000 birds	A4i, B1i, C3
Greater White-fronted Goose Anser albifrons	LC	passage (1990–1999)	6,000 birds	B1i, C3
Gadwall Mareca strepera	LC	passage (1990–1999)	530 birds	B1i, C3
Common Crane Grus grus	LC	passage (1990–1999)	1,200 birds	B1i, C2
Eurasian Bittern Botaurus stellaris	LC	breeding (1997)	2 pairs	C2
Ruff Calidris pugnax	LC	passage (1997)	400 birds	C6
Wood Sandpiper Tringa glareola	LC	passage (1997)	480 birds	C6
Black Tern Chlidonias niger	LC	passage (1990–1999)	200 birds	C2, C6
Common Tern Sterna hirundo	LC	passage (1997)	100 birds	C6
Hen Harrier Circus cyaneus	LC	passage (1997)	5–11 birds	C6
Bluethroat Luscinia svecica	LC	breeding (1990–1999)	20–25 pairs	C6
A4iii Species group - waterbirds	n/a	passage (1992–1998)	23,670 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
2004	Rietzer See	Naturschutzgebiet (IV)	100

Habitat	% of IBA	Habitat detail
Wetlands (inland)	75	Standing freshwater; Raised bogs; Water fringe vegetation; Fens, transition mires and springs
Grassland	19	Humid grasslands

Land use	% of IBA
nature conservation and research	100
agriculture	60
hunting	50
water management	50
tourism/recreation	10

---

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rietzer See (Germany). Downloaded from https://datazone.birdlife.org/site/factsheet/rietzer-see-iba-germany on 23/12/2024.