Lesser Black-backed Gull (graellsii & intermedius)(last update: May 17 2015) |
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lbbg 1cy May lbbg 2cy January lbbg 3cy January lbbg sub-ad Jan lbbg adult January |
Lesser Black-backed Gull graellsii Y.BWS 1CY, June-August 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Continental graellsii from this population are also referred to as 'Dutch intergrade', upperparts between medium grey British graellsii and dark grey Scandinavian intermedius. below: Lesser Black-backed Gull graellsii Y.BWS 1CY, August 02 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Juvenile plumage. At the beach. below: Lesser Black-backed Gull graellsii Y.BWS 1CY, July 06 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Juvenile in the colony on the island. below: Lesser Black-backed Gull graellsii Y.BWS 1CY, June 29 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.Juvenile, processed when ringed. |