Sighting Report

Colour Ring
Lesser Black-backed Gull (Larus fuscus) Records Up To 03/08/2025
Colour Ring: B1AZ1
Metal Ring: D7887
Age at Ringing: hatched four or more calendar years ago
Sex: Male

ColourRing	MetalRing	Date	ReportingCircumstance	Location	Country	Latitude	Longitude	EnglishName	LatinName	Observer	From Last KM	Days Elapsed Last	From First KM	Days Elapsed
B1AZ1	D7887	25/05/2013	initial ringing	Chouet Landfill	GUERNSEY	49.50669	-2.540867	Lesser Black-backed Gull	Larus fuscus	Veron, Paul K
B1AZ1	D7887	10/10/2015	colour ring sighting	Vila Nova de Gaia, Porto	PORTUGAL	41.13598	-8.65352	Lesser Black-backed Gull	Larus fuscus	Ferreira, Rui and Bilber, Susana	1045	868	1045	868
B1AZ1	D7887	17/01/2016	colour ring sighting	Vila Nova de Gaia, Porto	PORTUGAL	41.13598	-8.65352	Lesser Black-backed Gull	Larus fuscus	Mota, Luis	0	99	1045	967
B1AZ1	D7887	21/01/2016	colour ring sighting	Vila Nova de Gaia, Porto	PORTUGAL	41.13598	-8.65352	Lesser Black-backed Gull	Larus fuscus	Mota, Armando	0	4	1045	971
B1AZ1	D7887	20/10/2016	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	Mota, Armando	6	273	1043	1244
B1AZ1	D7887	25/10/2016	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	José Marques	0	5	1043	1249
B1AZ1	D7887	20/12/2016	colour ring sighting	Praia do Bom Sucesso	PORTUGAL	39.42655	-9.237143	Lesser Black-backed Gull	Larus fuscus	Cardoso, Helder	200	56	1239	1305
B1AZ1	D7887	22/12/2016	colour ring sighting	Praia do Bom Sucesso	PORTUGAL	39.42655	-9.237143	Lesser Black-backed Gull	Larus fuscus	Cardoso, Helder	0	2	1239	1307
B1AZ1	D7887	15/10/2017	colour ring sighting	Espinho	PORTUGAL	41.00866	-8.646927	Lesser Black-backed Gull	Larus fuscus	Mota, Luis	183	297	1058	1604
B1AZ1	D7887	16/10/2018	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	José Marques	19	366	1043	1970
B1AZ1	D7887	21/10/2018	colour ring sighting	Praia de Mira, Coimbra	PORTUGAL	40.4574	-8.806229	Lesser Black-backed Gull	Larus fuscus	Halterlein, Bernd	81	5	1119	1975
B1AZ1	D7887	30/08/2019	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	José Marques	81	313	1043	2288
B1AZ1	D7887	19/09/2019	colour ring sighting	Leça Beach, Matosinhos	PORTUGAL	41.17632	-8.692374	Lesser Black-backed Gull	Larus fuscus	José Marques	0	20	1043	2308
B1AZ1	D7887	07/12/2022	colour ring sighting	Praia de Mira, Coimbra	PORTUGAL	40.4574	-8.806229	Lesser Black-backed Gull	Larus fuscus	Halterlein, Bernd	81	1175	1119	3483
B1AZ1	D7887	30/08/2023	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	Mota, Armando	81	266	1043	3749
B1AZ1	D7887	31/08/2023	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	João Lima & Francisco Pereira	0	1	1043	3750
B1AZ1	D7887	29/09/2023	colour ring sighting	Matosinhos Beach, Porto	PORTUGAL	41.17688	-8.693382	Lesser Black-backed Gull	Larus fuscus	João Lima & Francisco Pereira	0	29	1043	3779