Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Caspian Gull cachinnans 0:D 1CY, 2026, colony Lelystad, the Netherlands.

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Tibia Y-0:D and metal 5.646.665, ringed as pullus Larus cachinnans on May 05 2026 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs ringing team.

Recoveries:
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Visits and data nest g-U|4 & g-U|7 (204-2026).

2026 parent 1 parent 2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume
TOTAL NEST:
# eggs
g-U|4 (204) cach cach 75,8 51,5   75,8 50,9   72,1 49,7  
 
ringed:
date darvic metal location / nest# species sexe age wing tarsus head+ bill bill gonys mass barcode
13-04-2026 g-U|4 .6260164 Nest 204 PONT M >4CY 474 72,7 136,6 63,7 20,6 1057 26B02640
27-04-2026 g-U|7 .5641186 Nest g-U|4 PONT F >4CY 432 70,0 133,1 59,2 17,6 810 26B02653
05-05-2026 Y-0:0 .5646663 Nest g-U|4 & g-U|7 PONT pullus     98
05-05-2026 Y-0:C .5646664 Nest g-U|4 & g-U|7 PONT pullus     97
05-05-2026 Y-0:D .5646665 Nest g-U|4 & g-U|7 PONT pullus     62
               
OBSERVATIONS:
04-04-2026 nest 3 eggs.
22-04-2026 nest 3 eggs, measured.
13-04-2026 nest 3 eggs.
  parents 1x unringed Caspian Gull trapped, now male g-U|4.
27-04-2026 nest 3 eggs.
  parents 1x unringed Caspian Gull trapped, now female g-U|7.
05-05-2026 pullus 3x ringed.
  food Ducklings.
     

below: Caspian Gull cachinnans 0:D 1CY, May 05 2026, colony Lelystad, the Netherlands. Picture: Mars Muusse & Thijs Horst.