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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Breeding biology
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Hybrid scores
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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 0.12 adult, August 2023 - September 2024, De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Tarsus ring y-0.12 and logger 6392, ringed as breeding adult Larus cachinnans on April 29 2023 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Kees Camphuysen & Leon Kelder.
See UvA-BITS for logger details.

Recoveries:

2023 04 29 De Kreupel eiland M NL 52,8 5,23 C.J. Camphuysen Nest M4 Handled 12:07-12:33, HPAIV swab, blood, biometrics, moult, ringed, GPS 6403  attached
Gezien 2023 08 10 De Kreupel 52,79867 5,22712 Thijs Horst
Gezien 2023 12 03 Polder Zeevang, Klemweg, Hoorn 52,55526667 5,0271 Maarten Hotting
Gezien 2024 04 27 De Kreupel eiland M 52,803 5,22541 Camera Trap observation
Gezien 2024 04 28 De Kreupel eiland M 52,803 5,22541 Camera Trap observation
Gezien 2024 04 30 De Kreupel eiland M 52,803 5,22541 Camera Trap observation
Gezien 2024 05 31 De Kreupel eiland M 52,803 5,22541 Leon Kelder
Gezien 2024 07 19 De Kreupel 52,79867 5,22712 Thijs Horst
Gezien 2024 07 30 De Kreupel 52,79867 5,22712 Thijs Horst

below: Caspian Gull cachinnans 0.12 adult, September 07 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans 0.12 adult, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans 0.12 adult, August 10 2023, De Kreupel, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans 0.12 adult, April 29 - June 29 2023, from GPS data.

Feeding trips during incubation and chick raising period.
Main foraging grounds are fish-traps, by-catch of fishermen.
Plot left: April 29 - May 29 2023.
Plot right: May 30 - June 29 2023.