Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Caspian Gull cachinnans A|L 1CY, May-July 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst, Merijn Loeve & Mars Muusse.

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Tibia ring G-A|L and metal NLA 5.631.215, ringed as pullus Larus cachinnans on May 02 2024 in nest 17B-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).

Recoveries:
31-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
09-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst

Visits and data 2024.

NEST code parent 1 parent  2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume TOTAL NEST:
  cach cach 69,4 50,6 89,47 65,9 51 86,30 65 49 78,58 254,35
017B-2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 17-4-2024 15-5-2024
   
dam: dam 2 central
location: 17B-2021, 2022, 2023
parents? Same birds
   
ring pulli: 21-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
02-05-2024 g-A|K .5631214 nest 17B PONT 1CY 63          
02-05-2024 g-A|L .5631214 nest 17B PONT 1CY 63          
14-05-2024 g-A|L .5631215 nest 17B PONT 1CY 409 CONTROLL        
                           
OBSERVATIONS:
21-04-2024 eggs: 3 eggs, measured. 
02-05-2024 eggs: 1x blue egg.
chicks: 2x chick ringed: g-A|K & g-A|L.
05-05-2024 chicks: blue egg gone, but only 2x ringed chicks found in vegetation.
14-05-2024 chicks: g-A|L is 409 gr. CONTROLL.
food: Blous: fish.
31-05-2024 chick: g-A|L at nest.
04-06-2024 nest: no chick found.
18-06-2024 chicks: g-A|K & g-A|L at water, and maybe the 3rd chick as well. Fledged: "at least" 2 chicks, likely 3 chicks.

below: Caspian Gull cachinnans A|L 1CY, July 09 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans A|L 1CY, June 18 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans A|L 1CY, May 31 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Merijn Loeve.

below: Caspian Gull cachinnans A|L 1CY, May 14 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans A|L 1CY, May 02 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

2-5-2024 g-A|K .5631214 nest 17B PONT 1CY 63
2-5-2024 g-A|L .5631215 nest 17B PONT 1CY 63
14-5-2024 g-A|L .5631215 nest 17B PONT 1CY 409