Species Detail - Black Guillemot (Cepphus grylle) - Species information displayed is based on all datasets.

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
Cepphus grylle
Black Guillemot
NBNSYS0000000376 UnverifiedUnverified
Protected Species: Wildlife Acts || Threatened Species: Birds of Conservation Concern || Threatened Species: Birds of Conservation Concern >> Birds of Conservation Concern - Amber List
cegry
(Linnaeus, 1758)
bird
Species
2928
319
119
01/04/1968
27/08/2024
1 January (recorded in 2018)
31 December (recorded in 2010)
National Biodiversity Data Centre, Ireland, Black Guillemot (Cepphus grylle), accessed 30 April 2025, <https://maps.biodiversityireland.ie/Species/10184>

Records per month (across all datasets)

Records per year (across all datasets)