Species Detail - Ferruginous Duck (Aythya nyroca) - Species information displayed is based on the dataset "Irish Wetland Birds Survey (I-WeBS) 1994-2001.".
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
1 January (recorded in 1990)
30 December (recorded in 1984)
BirdWatch Ireland, Irish Wetland Birds Survey (I-WeBS) 1994-2001., National Biodiversity Data Centre, Ireland, Ferruginous Duck (Aythya nyroca), accessed 22 September 2020, <https://maps.biodiversityireland.ie/Dataset/36/Species/10132>