Species Detail - Thayer's Gull (Larus glaucoides thayeri) - Species information displayed is based on the dataset "Rare birds of Ireland".

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
Larus glaucoides thayeri
Thayer's Gull
NHMSYS0021003554 RecommendedWell-formed
N/A
lagla
Brooks, WS, 1915
Bird
Subspecies
10
8
8
21/02/1990
16/12/2013
24 January (recorded in 2010)
16 December (recorded in 2013)
Irish Rare Bird Committee, Rare birds of Ireland, National Biodiversity Data Centre, Ireland, Thayer's Gull (Larus glaucoides thayeri), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/271/Species/280238>

Records per month (across all datasets)

Records per year (across all datasets)