TG23-Birding in a Box:
Lesser black-backed Gull (Larus fuscus graellsii)
TG23-Birding in a Box:
Herring Gull (larus argentatus argenteus)
TG23-Birding in a Box:
Lesser black-backed Gull (Larus fuscus graellsii)
TG23-Birding in a Box:
Herring Gull (Larus argentatus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus)
TG23-Birding in a Box:
Black-headed Gull (Larus ridibundus)
TG23-Birding in a Box:
Black-headed Gull (Larus ridibundus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Lesser-black backed Gull (Larus fuscus)
TG23-Birding in a Box:
Lesser black-backed Gull (Larus fuscus intermedius)
TG23-Birding in a Box:
Lesser-black backed Gull (Larus fuscus intermedius)
TG23-Birding in a Box:
Lesser black-backed Gull (Larus fuscus) Norfolk, UK
TG23-Birding in a Box:
Lesser black-backed Gull (larus fuscus)
TG23-Birding in a Box:
Great black-backed Gull (larus marinus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Herring Gull (larus argentatus argenteus)
TG23-Birding in a Box:
Lesser-black backed Gull (Larus fuscus graellsii)
TG23-Birding in a Box:
Herring Gull (Larus argenteus argenteus)
TG23-Birding in a Box:
Mediterranean Gull (Larus melanocephalus)
TG23-Birding in a Box:
Mediterranean Gull (Larus melanocephalus)
TG23-Birding in a Box:
Mediterranean Gull (Larus melanocephalus)
TG23-Birding in a Box:
Mediterranean Gull (Larus melanocephalus)
TG23-Birding in a Box:
Mediterranean Gull (Larus melanocephalus)
TG23-Birding in a Box:
Herring Gull (Larus argentatus argenteus)
TG23-Birding in a Box:
Black-headed Gull ringed in Denmark
TG23-Birding in a Box:
Herring Gull L.a.argenteus
