Species Detail - Thayer's Gull (Larus glaucoides thayeri) - Species information displayed is based on all datasets.
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Larus glaucoides thayeri
Thayer's Gull
NHMSYS0021003554
RecommendedWell-formed
N/A
lagla
Brooks, WS, 1915
Bird
Subspecies
19
9
9
21/02/1990
16/12/2013
24 January (recorded in 2010)
16 December (recorded in 2013)
National Biodiversity Data Centre, Ireland, Thayer's Gull (Larus glaucoides thayeri), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Species/280238>