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
National trend
Site characteristics
Breeding biology
Fecundity
Food resources
Nonbreeding season
Breeding species
Hybrid scores
Ring codes
Future

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 0.10 5CY-6CY, April 2023 - March 2024, De Kreupel, the Netherlands. Picture: Leon Kelder, Thijs Horst & Mars Muusse.

Tarsus ring y-0.10 and logger 6401, ringed as breeding sub-adult Larus cachinnans on April 29 2023 at De Kreupel - nest M7, Holland (5247.00 N 513.00 E). Ringer Kees Camphuysen & Leon Kelder.
See UvA-BITS for logger details.

Recoveries:

Year Mm Dd Location   Lat Long Observer   NOTES
2023 04 29 De Kreupel - M NL 52,8 5,23 C.J. Camphuysen Nest M7 Handled 11:35-12:18, HPAIV swab, blood, biometrics, moult, ringed, GPS 6401 attached
2024 03 04 De Kreupel NL 52,8 5,23 Thijs Horst Gelokt met brood, geen plaats

In 2023:
Nest is M7, partner is adult female Larus cachinnans. y-X80A.
Offspring are: g-0|C, g-0|D & g-0|E.
All 3 chciks fledged, with astonishing g-0|D turning up in Malta, March 2024. Extraordinary record!

below: Caspian Gull cachinnans 0.10 6CY, March 04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Some feature may point to hybrid with Herring Gull.

below: Caspian Gull cachinnans 0.10 5CY, July 21-23 2023, from GPS data.

below: Caspian Gull cachinnans 0.10 5CY, April 30 - May 01 2023, De Kreupel - M, the Netherlands. Picture: Leon Kelder - camera trap.

Nest M7. Parents are y-0.10 and y-X80A.