Species Detail - Eurasian Marsh Harrier (Circus aeruginosus) - Species information displayed is based on the dataset "The First Atlas of Wintering Birds in Britain and Ireland: 1981/82-1983/84.".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Circus aeruginosus
Eurasian Marsh Harrier
Marsh Harrier
Protected Species: Wildlife Acts
ciaer
(Linnaeus, 1758)
bird
Species
3
3
1
14/11/1981
29/02/1984
7 February (recorded in 2010)
30 November (recorded in 2011)
BirdWatch Ireland, The First Atlas of Wintering Birds in Britain and Ireland: 1981/82-1983/84., National Biodiversity Data Centre, Ireland, Eurasian Marsh Harrier (Circus aeruginosus), accessed 05 July 2020, <https://maps.biodiversityireland.ie/Dataset/21/Species/11260>

Records per month (across all datasets)

Records per year (across all datasets)