Larus cachinnans

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

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

Lelystad 2020:
nest 001
nest 002 yPNED
nest 003
nest 005 yPLDP
nest 006 yPESV
nest 008 gXLDT
nest 009
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016
nest 017
nest 018
nest 021
nest 025
nest 027
nest 028
nest 029
nest 031
nest 032
nest 033
nest 034
nest 035
nest 036
nest 037
nest 038
nest 039
pair A
pair B

Caspian Gull cachinnans F|D 1CY-2CY, May 2020 & May - July 2021, the Netherlands & July 2020, Suffolk, UK. Picture: Merijn Loeve, Brian Small, Eric Roeland, Naomi Huijg & Thijs Horst.

Tibia B-F|D and metal Arnhem 5.552.926, ringed as pullus Larus cachinnans on May 21 2020 at Lelystad (Bataviahaven), the Netherlands (5230.00 N 525.00 E0 - ringer Roland-Jan Buijs.
Blue bar tibia ring b[F|D], ID certain, both parents are Caspian Gull cachinnans.

Recoveries:
27-07-2020 Southwold (Strand), Suffolk, ENGELAND 5.219,00 N 141,00 E colourring read Brian Small
04-05-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
07-05-2021 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
29-06-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
06-07-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
15-07-2021 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
11-09-2021 Quiberville (Strand), Seine-Maritime, FRANKRIJK 4.954,00 N 54,00 E colourring read Julien Yvon
01-04-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
02-04-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland

Chick from nest 32 - colony Lelystad, the Netherlands, ringed as pullus on May 21 2020. Nest data:

datum:	egg no:	width (mm)	length (mm)	volume (cm3):	water test on April 15th:
07-05-2020	A	50,4	70,5	92,10	90 - floating, 5mm above surface	3 eggs in the nest. Male with sub-adult pattern.
07-05-2020	B	50,4	67,9	86,84	90 - floating, 3mm above surface
07-05-2020	C	48,1	66,1	77,00	90 - floating, 5mm above surface
			sum nest:	255,95
21-05-2020	pulli	Pullus ringed b[F\|D].				One chick with mole as prey, otherwise empty nest.

02-06-2020	parents					Two partners at nest.

below: Caspian Gull cachinnans F|D 2CY, July 21 2021, Scheveningen, the Netherlands. Picture: Naomi Huijg.

below: Caspian Gull cachinnans F|D 2CY, July 15 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|D 2CY, July 06 2021, Almere, the Netherlands. Picture: Eric Roeland.

Probably a female.

below: Caspian Gull cachinnans F|D 2CY, May 04 2021, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|D 1CY, July 27 2020, Southwold, Suffolk, U.K. Picture: Brian Small.

Ringed chick quickly after fledging reported from England by Brian Small.