Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-C|E and metal NLA 5.631.102, ringed as pullus Larus cachinnans on May 14 2024 in nest P9R0-2024 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:
P:9R0 2024 cach cach 67,4 51,2 88,96 69 49,5 85,13 69 48,2 80,71 254,80
  # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 11-4-2024 6-5-2024
   
dam: dam 1 east
location: In bend on N-side, in blackberry complex. 135-2023 coded on block. Was thayeri 2022. 
parents? y-P:9R0 is new breeder.
   
ring pulli: 09-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
14-05-2024 g-C|E .5631102 nest P9R0 PONT 1CY 98          
14-05-2024 g-C|F .5631103 nest P9R0 PONT 1CY 101          
                           
OBSERVATIONS:
08-03-2024 adult: P9R0 on bread.
12-04-2024 eggs: 1 egg, measured.
21-04-2024 eggs: 3 eggs, measured.
23-04-2024 adults: unringed female incubating, y-P:9R0 guarding on stone.
02-05-2024 adults: P9R0 guarding, female incubating.
14-05-2024 chicks: 2x ringed. Fish bolus when processed.
food: Fish. 3x Roach, 1x Perch, 2x Round Goby.
eggs: 1x in nest.

below: Caspian Gull cachinnans C|E 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-C|E .5631102 nest P9R0 PONT 1CY 98
14-05-2024 g-C|F .5631103 nest P9R0 PONT 1CY 101