Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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International trend
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Site characteristics
Breeding biology
Fecundity
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Nonbreeding season
Breeding species
Hybrid scores
Ring codes
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Nests at Lelystad 2023
nest y-PNED
nest y-P:U60
nest y-X56A
nest y-X71A
nest y-X60J
nest y-XCHP
nest w-327:U
nest n-F|6
nest n-F|8
nest n-F|+
nest n-F|N
nest r-6B
nest r-CG
nest w-8Z
nest 003
nest 006
nest 013
nest 014
nest 015
nest 017
nest 017B
nest 018
nest 019
nest 021
nest 026
nest 033
nest 034
nest 035
nest 038
nest 040
nest 044
nest 046
nest 048
nest 053
nest 055
nest 060
nest 061Z
nest 062
nest 063
nest 107Z
nest 108
nest 109
nest 111
nest 112
nest 127Z
nest 131Z
nest 132 YLG
nest 135
nest 139
nest 147Z
nest 154
nest 163
nest 167
nest 168
nest 204
nest 206
nest 207
nest 223
nest 227
nest 230Z
nest 231
nest 244Z
nest 245Z
nest 248
nest 251
nest 252
nest 253
nest 254
nest 255Z
nest 256Z
nest 262

Caspian Gull cachinnans x Herring Gull argenteus hybrid 3|V 1CY, August 30 2023, Medemblik, the Netherlands. Picture: Jeroen Assema.

Tibia G-3|V and metal NLA 5.623.901, ringed as pullus L. argentatus x L. cachinnans hybrid on May 19 2023 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Recoveries:
23-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
03-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
04-07-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
21-07-2023 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Wim de Lange
26-07-2023 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Jeroen van Assema
30-07-2023 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Jeroen van Assema

Relatives in nest are g-3|V, g-3|W & g-3|X.

below: Caspian Gull cachinnans x Herring Gull argenteus hybrid 3|V 1CY, August 30 2023, Medemblik, the Netherlands. Picture: Jeroen Assema.