Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-B|P and metal NLA 5.631.168, ringed as pullus Larus cachinnans on May 14 2024 in nest g-A|G (038)-2024 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|G (038) cach cach-type 70,3 53,3 100,56 68,4 51 89,58 70,6 52,8 99,10 289,23
2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 11-4-2024 9-5-2024
   
dam: dam 2 east of T-split
location: Is 38-2023: 200 mtr E of T-split, on top of tarmac two large boulders, west one is lookout post.
parents? same as 2022, 2023. In 2024 female trapped:g-A|G
   
ring pulli: 14-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
30-04-2024 g-A|G .5625296 Dam 2 soos nest PONT F >4CY 424 1002 125,7 53,5 68,3 19 7
14-05-2024 g-B|N .5631167 nest 38 PONT 1CY 110          
14-05-2024 g-B|P .5631168 nest 38 PONT 1CY 88          
14-05-2024 g-B|R .5631169 nest 38 PONT 1CY 99          
                           
OBSERVATIONS:
12-04-2024 eggs: 1 egg, measured. 
21-04-2024 eggs: 3 eggs, measured. 
30-04-2024 adults: trapped female Caspian Gull, incubating 3 eggs. Now g-A|G.
07-05-2024 nest: 3 eggs, cracks.
14-05-2024 chicks: 3x ringed and measured.
04-06-2024 chicks: 3x ringed chicks present.
18-06-2024 chicks: 3x ringed chicks present.
adult: father guarding chicks.

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

Father with g-B|N, g-B|P & g-B|R.

below: Caspian Gull cachinnans B|P 1CY, June 04 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst, Mars Muusse & Albert de Jong.

 

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

14-5-2024 g-B|N .5631167 nest 38 PONT 1CY 110
14-5-2024 g-B|P .5631168 nest 38 PONT 1CY 88
14-5-2024 g-B|R .5631169 nest 38 PONT 1CY 99