Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Caspian Gull cachinnans K:= 1CY, 2026, the Netherlands. Picture: Annelies Marijnis & Thijs Horst.
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Tibia Y-K:= and metal 5.645.561, ringed as pullus Larus cachinnans on May 16 2026 at De Kreupel, Holland (5247.00 N 513.00 E).
Ringer Leon Kelder.
Head+bill: 65,4
Mass:
197,0
Recoveries:
24-09-2026 Berkheide (Strand), Zuid-Holland, NL 5.210,00 N 421,00 E colourring read Annelies Marijnis
26-09-2026 Nederlands Continental Plat (Kustzee), Noordzee, NL 5.206,00 N 415,00 E colourring read Horst, Muusse(s) & Cottaar
below: Caspian Gull cachinnans K:= 1CY, September 26 2026, off-Scheveningen, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans K:= 1CY, September 24 2026, Katwijk, the Netherlands. Picture: Annelies Marijnis.

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