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Location France, Nord-Pas-de-Calais
Central coordinates 4o 2.00' East  50o 1.00' North
IBA criteria B3, C6
Area 22,400 ha
Altitude 50 - 250m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description A large area of forest that is contiguous with site 067 and the Belgian site 032 `Entre-Sambre-et-Meuse'.

Key Biodiversity The site is important for forest birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
European Honey-buzzard Pernis apivorus breeding  1991  30-40 breeding pairs  C6  Least Concern 
Common Kingfisher Alcedo atthis breeding  1991  10-15 breeding pairs  C6  Least Concern 
Black Woodpecker Dryocopus martius breeding  1991  5-8 breeding pairs  C6  Least Concern 
Middle Spotted Woodpecker Leiopicus medius breeding  1991  100-150 breeding pairs  B3, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Forêt, bocage, étangs de Thiérache - FR3112001 Birds Directive 8,144 protected area overlaps with site 8,329  
Forêts de Thiérache : Hirson et Saint-Michel - FR2212004 Birds Directive 7,407 protected area overlaps with site 7,439  
FORETS, BOIS, ETANGS ET BOCAGE HERBAGER DE LA FAGNE ET DU PLATEAU D'ANOR - FR3100511 Habitats Directive 1,709 protected area overlaps with site 1,751  
MASSIF FORESTIER D'HIRSON - FR2200386 Habitats Directive 1,017 protected area overlaps with site 987  


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

Land use

Land-use Extent (% of site)
forestry 90%
hunting 90%
tourism/recreation 10%
urban/industrial/transport 10%

Protection status National None International None

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Forêts de Thiérache : Trelon, Fourmies, Hirson et St-Michel. Downloaded from on 05/05/2015

To provide new information to update this factsheet or to correct any errors, please email BirdLife