Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-C|T and metal NLA 5.631.119, ringed as pullus Larus cachinnans on May 31 2024 in nest r-7P & b/w-AB_2024 at Lelystad, the Netherlands. Ringed by Merijn Loeve (Roland-Jan Buijs ringing team).
Mother is Herring Gull, father is Caspian Gull.

Recoveries:
24-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
25-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
16-09-2024 Waalwijk (Vuiloverslag), Noord-Brabant, NL 5.142,00 N 502,00 E colourring read Niels van Pelt

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:
r-7.P & b/w-AB cach teus 71,4 51,7 96,09 68,6 51 89,84 70,3 52,4 97,19 283,12
2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 16-4-2024 14-5-2024
   
dam: dam 1 south
location: far western nest in 2023 & 2024.
parents? same as 2023
   
ring pulli: 18-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
26-04-2024 b/w-AB .5625285 nest r-7P teus F >4CY 403 119,2 51,5 64,7 18,6 5
31-05-2024 g-C|R .5631118 r-7P b/w-AB cach x teus 1CY              
31-05-2024 g-C|T .5631119 r-7P b/w-AB cach x teus 1CY              
31-05-2024 g-C|U .5631120 r-7P b/w-AB cach x teus 1CY              
                           
OBSERVATIONS:
08-03-2024 adult: r-7P & argenteus female.
12-04-2024 eggs: empty nest, but is ready.
21-04-2024 eggs: 3 eggs, measured.
26-04-2024 adult: partner trapped at nest.
14-05-2024

eggs:

2 eggs.
chicks: 1x, just hatched.
31-05-2024 chicks: 3x ringed.

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

date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
26-04-2024 b/w-AB .5625285 nest r-7P teus F >4CY 403 119,2 51,5 64,7 18,6 5
31-05-2024 g-C|R .5631118 nest r-7P / b/w-AB cach x teus 1CY
31-05-2024 g-C|T .5631119 nest r-7P / b/w-AB cach x teus 1CY
31-05-2024 g-C|U .5631120 nest r-7P / b/w-AB cach x teus 1CY