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The site was identified as important in 2000 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 List1	Season	Year(s)	Size	IBA criteria
European Honey-buzzard Pernis apivorus	LC	breeding	1991	30-40 breeding pairs	C6
Common Kingfisher Alcedo atthis	LC	breeding	1991	10-15 breeding pairs	C6
Black Woodpecker Dryocopus martius	LC	breeding	1991	5-8 breeding pairs	C6
Middle Spotted Woodpecker Leiopicus medius	LC	breeding	1991	100-150 breeding pairs	B3, C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.

Year	Protected Area	Designation	% overlap with IBA
1996	Forêts; bois, étangs et bocage herbager de la Fagne et du plateau d'Anor	Site of Community Importance (Habitats Directive)	8
1996	Massif forestier d'Hirson	Site of Community Importance (Habitats Directive)	4
1998	Avesnois	Parc naturel régional	64
2004	Forêts de Thiérache : Hirson et Saint-Michel	Special Protection Area (Birds Directive)	33
2005	Forêt; bocage, étangs de Thiérache	Special Protection Area (Birds Directive)	37
2009	Monts de Baives	Réserve naturelle régionale	<1

Habitat1	Habitat detail	% of IBA
Forest	Broadleaved deciduous woodland, Native coniferous woodland	90
Grassland	Steppes and dry calcareous grassland, Humid grasslands	20
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation	20
Artificial/Terrestrial	Perennial crops, orchards and groves	10
Shrubland	Heathland	-

1. IUCN Habitat classification.

Land use	% of IBA
forestry	90
hunting	90
tourism/recreation	10
urban/industrial/transport	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Forêts de Thiérache : Trelon, Fourmies, Hirson et St-Michel (France). Downloaded from https://datazone.birdlife.org/site/factsheet/forêts-de-thiérache-:-trelon-fourmies-hirson-et-st-michel-iba-france on 23/11/2024.