The site was identified as important in 2005 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|
|Corncrake Crex crex||LC||breeding||2005||38 breeding pairs||A1, C1|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2005).
|Protected area (PA)||PA designation||PA area (ha)||Relationship of PA with IBA||Overlap of PA with IBA (ha)|
|Zlievtsi||Zashtitena Mestnost||3||protected area is adjacent to site||0|
|Vidima||Site of Community Importance (Habitats Directive)||1,823||protected area is adjacent to site||0|
|Rusalka||State Game Husbandries||23,810||protected area contains site||0|
|Apriltsi||Special Protection Area (Birds Directive)||1,935||is identical to site||1,943|
BirdLife International (2023) Important Bird Area factsheet: Apriltsi Meadows. Downloaded from http://datazone.birdlife.org/site/factsheet/apriltsi-meadows-iba-bulgaria on 22/09/2023.