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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
Black Grouse Lyrurus tetrix	LC	breeding (1990–1999)	2 pairs	C6
Whooper Swan Cygnus cygnus	LC	winter (1997)	50–100 birds	C2, C6
Bean Goose Anser fabalis	LC	passage (1990–1999)	8,000 birds	A4i, B1i, C3
Greater White-fronted Goose Anser albifrons	LC	passage (1990–1999)	8,000 birds	B1i, C3
Spotted Crake Porzana porzana	LC	resident (1997)	6 pairs	C6
Common Crane Grus grus	LC	resident (1997)	3–4 pairs	C6
Common Crane Grus grus	LC	passage (1990–1999)	6,500 birds	A4i, B1i, C2, C6
Great Bustard Otis tarda	EN	breeding (1990–1999)	7–9 pairs	C6
Black Stork Ciconia nigra	LC	passage (1990–1999)	45 birds	C6
White Stork Ciconia ciconia	LC	resident (1998)	20 pairs	C6
Eurasian Bittern Botaurus stellaris	LC	resident (1997)	1 pairs	C2
Eurasian Golden Plover Pluvialis apricaria	LC	passage (1997)	1,000–1,500 birds	C6
Short-eared Owl Asio flammeus	LC	winter (1997)	25 birds	C6
Short-eared Owl Asio flammeus	LC	breeding (2001)	3 pairs	C6
Eurasian Eagle-owl Bubo bubo	LC	breeding (1995)	1 pairs	C6
Montagu's Harrier Circus pygargus	LC	resident (1998)	1–2 pairs	C6
Hen Harrier Circus cyaneus	LC	passage (1997)	10–20 birds	C6
Red Kite Milvus milvus	LC	winter (1990–1999)	60 birds	C6
Bluethroat Luscinia svecica	LC	resident (1997)	1–2 pairs	C6
A4iv Species group - soaring birds/cranes	n/a	passage (1999)	6,500 birds	B1iv, C5
A4iii Species group - waterbirds	n/a	passage (1991–1999)	23,545–24,045 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1997	Fiener Bruch	Naturschutzgebiet (IV)	2

Habitat	% of IBA	Habitat detail
Wetlands (inland)	90	Fens, transition mires and springs
Artificial/Terrestrial	60	Highly improved re-seeded landscapes; Arable land; Ruderal land
Grassland	17	Humid grasslands; Mesophile grasslands

Land use	% of IBA
agriculture	95
tourism/recreation	30
nature conservation and research	20

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Fiener Bruch (Germany). Downloaded from https://datazone.birdlife.org/site/factsheet/fiener-bruch-iba-germany on 23/12/2024.