The site was identified as important in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.Populations meeting IBA criteria ('trigger species'):
|Species||Current IUCN Red List Category||Season||Year(s)||Population estimate at site||IBA criteria met|
|Northern Shoveler Spatula clypeata||LC||passage||1990-2000||501 individuals||B1i, C3|
|Eurasian Bittern Botaurus stellaris||LC||breeding||1980-1989||3 breeding pairs||C6|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2002).
|Protected area (PA)||PA designation||PA area (ha)||Relationship of PA with IBA||Overlap of PA with IBA (ha)|
|Lengeder Teiche||Special Protection Area (Birds Directive)||145||protected area overlaps with site||102|
|Lengeder Teiche||Naturschutzgebiet||146||protected area contained by site||145|
|Lengede-Broistedt||Landschaftschutzgebiet||172||protected area overlaps with site||2|
BirdLife International (2023) Important Bird Area factsheet: Lengeder Teichgebiet. Downloaded from http://datazone.birdlife.org/site/factsheet/lengeder-teichgebiet-iba-germany on 05/12/2023.