Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Tibia ring G-B|E and metal NLA 5.631.152, ringed as pullus Larus cachinnans on May 07 2024 in nest 204-2024 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:
204-2024 cach cach 76 51,7 102,28 73,7 50,7 95,39 72,5 51,2 95,69 293,36
  # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 15-4-2024 13-5-2024
   
dam: dam 2 west
location: between lighthouse and blue sign, 5 mtr west of 248; was 204-2023. Red spot
parents? Same as 2023?
   
ring pulli: 18-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
07-05-2024 g-B|E .5631152 204 PONT 1CY 153          
07-05-2024 g-B|F .5631153 204 PONT 1CY 115          
                           
OBSERVATIONS:
31-03-2024 adults: 2x unringed cachinnans, one is immature.
21-04-2024 eggs: 3 eggs, measured.
02-05-2024 eggs: 3 eggs.
07-05-2024 chicks: 2x ringed; 3rd chick not found. No eggs in nest.
14-05-2024 chicks: no chicks near nest. Evening: 1x chick + 2x parents near waterfront, north side.
04-06-2024 chicks: 2x chicks between blocks: g-B|E & g-B|F.
adult: 2x present. Both are adult Caspian Gull (partner 1 has broad medial band P10).
18-06-2024 chick: g-B|E & g-B|F present at water.

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

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

G-B|E & g-B|F between blocks.

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

date darvic metal location / nest# species sexe age wing mass
7-5-2024 g-B|E .5631152 204 PONT 1CY 153
7-5-2024 g-B|F .5631153 204 PONT 1CY 115