Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-B|C and metal NLA 5.631.250, ringed as pullus Larus cachinnans on May 07 2024 in nest 248-2024 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:
  cach 73,3 52,2 100,56 72,8 52 99,11 71 50,2 90,09 289,77
248-2024 # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 4-4-2024 2-5-2024
   
dam: dam 2 west
location: between lighthouse and blue sign, visible from north side. Sign: yellow helmet. Nest in line with 3 poles of nets.
parents? Same as 2023?
   
ring pulli: 6-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
07-05-2024 g-B|C .5631250 248 helmet PONT 1CY 89          
07-05-2024 g-B|D .5631151 248 helmet PONT 1CY 147          
14-05-2024 g-B|C .5631250 248 PONT 1CY 297   CONTROLL      
14-05-2024 g-B|D .5631151 248 PONT 1CY 394   CONTROLL      
04-06-2024 g-B|C .5631250 248 PONT 1CY 255 1049 115,4 CONTROLL      
                           
OBSERVATIONS:
21-04-2024 eggs: 3 eggs, measured.
02-05-2024 eggs: 2 eggs, 1x hatched halfway.
02-05-2024 chicks: 1 wet chick, hatched this morning.
07-05-2024 chicks: 2x ringed; 3rd chick not found. No eggs in nest.
  food: several fish species, including Roach.
14-05-2024 chicks: 2x ringed chicks CONTROLL
food:

3x Roach type.

04-06-2024 pullus: g-B|C present, measured.
food: 2x Silver Bream (Blicca bjoerkna), Dutch: Kolblei.
18-06-2024 chicks: g-B|C & g-B|D & unringed sibling present. Nest with 3 chicks.

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

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

below: Caspian Gull cachinnans B|C 1CY, May 07 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

date darvic metal location / nest# species sexe age wing mass
07-05-2024 g-B|C .5631250 248 yellow helmet PONT 1CY 89
07-05-2024 g-B|D .5631151 248 yellow helmet PONT 1CY 147