Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-B|Z and metal NLA 5.631.177, ringed as pullus Larus cachinnans on May 14 2024 in nest 206 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).

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:
g-A|J (206) cach cach 66,5 51 87,09 70,3 50,7 90,99 70,3 48,3 82,58 260,65
2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 15-4-2024 13-5-2024
   
dam: dam 2 west
location: 8 mtr SW of Blue sign, was 206-2023/2022.
parents? Same as 2023?
   
ring pulli: 18-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
30-04-2024 g-A|J .5631207 Dam 2 PONT F >4CY 439 919 122 53,1 67 18,5 5
14-05-2024 g-B|Y .5631176 nest 206 PONT 1CY 156          
14-05-2024 g-B|Z .5631177 nest 206 PONT 1CY 96          
                           
OBSERVATIONS:
12-04-2024 nest ready, but still empty
21-04-2024 eggs: 3 eggs, measured.
adult: 2x unringed cachinnans.
30-04-2024 adults: trapped female Caspian Gull, now g-A|J.
02-05-2024 eggs: 3 eggs.
07-05-2024 eggs: 3x.
14-05-2024 chicks 2x ringed and measured.

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

date darvic metal location / nest# species sexe age wing mass
14-05-2024 g-B|Y .5631176 nest 206 PONT 1CY 156
14-05-2024 g-B|Z .5631177 nest 206 PONT 1CY 96