Alkmaardermeer


IBA Justification

The site was identified as internationally important for bird conservation in 2016 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Black-tailed Godwit Limosa limosa NT non-breeding (2011–2015) 2,965–4,430 individuals B1i, C3
Ruff Calidris pugnax LC breeding (2011–2015) 2–3 individuals C6
A4iii Species group - waterbirds n/a non-breeding (2011–2015) 25,368–37,578 individuals A4iii, C4


Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Alkmaardermeer (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/alkmaardermeer-iba-netherlands on 08/01/2025.