Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20

Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21

hybrid Caspian Gull cachinnans x Herring Gull argenteus 4.R 1CY, June 17 2022, De Kreupel, the Netherlands.

Tibia red 4.R and metal NLA 5.623.629, ringed as pullus hybrid Caspian Gull (Larus cachinnans) on 17-06-2022 at colony De Kreupel (IJsselmeer), the Netherlands (NL 5247.00 n 513.00 E), by ringer Leon Kelder.

Recoveries:
06-08-2022 Markermeer (Trintelzand), Flevoland, NL 5.238,00 N 522,00 E victim of traffic Albert de Jong & Mars Muusse

Bird from De Kreupel, nest M. on island M. Data for this nest:

below: hybrid Caspian Gull cachinnans x Herring Gull argenteus 4.R 1CY, August 06 2022, Trintelzand, the Netherlands. Picture: Mars Muusse.

Road kill. Inner primary pattern sugests a hybrid Caspian x Herring.