Species Detail - Black Guillemot (Cepphus grylle) - Species information displayed is based on the dataset "Ireland's BioBlitz".

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
29
13
9
21/05/2010
12/06/2016
1 January (recorded in 2018)
31 December (recorded in 2010)
Collated by the National Biodiversity Data Centre from different sources, Ireland's BioBlitz, National Biodiversity Data Centre, Ireland, Black Guillemot (Cepphus grylle), accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/189/Species/10184>

Records per month (across all datasets)

Records per year (across all datasets)