Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Nests at Lelystad 2024:

 

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

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Tibia ring G-M|E and metal NLA 5.631.137, ringed as pullus Larus cachinnans hybrid on June 04 2024 in nest 19-2024 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:
019-2024 cach teus 75,7 53,3 108,28 77 52,2 105,64 72,6 51,6 97,33
311,25
  # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 22-4-2024 20-5-2024
   
dam: dam 1 east
location: was 19-2023, N side dam.
parents? same as 2023?
   
ring pulli: 24-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
04-06-2024 g-M|E .5631137 nest 19 cach x teus 1CY 84 438 86        
04-06-2024 g-M|F .5631138 nest 19 cach x teus 1CY 118 596 89,8        
                           
OBSERVATIONS:
23-04-2024 eggs: 1 egg, measured. 
26-04-2024 eggs: 3 eggs, measured. 
adults: Herring Gull on blocks in front of nest, bird with white primary coverts.
30-04-2024 adults: Herring Gull on blocks in front of nest, bird with white primary coverts.
14-05-2024 adults: Herring Gull poresent again.
04-06-2024 chicks: 2x ringed & measured.

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