Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Caspian Gull cachinnans B|T 1CY, May-July 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & 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-B|T and metal NLA 5.631.171, ringed as pullus Larus cachinnans on May 14 2024 in nest XCHP-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).

Recoveries:
31-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
15-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst

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:
XCHP 2024 cach cach 70 52,6 97,51 69 52,8 96,85 68 51,6 91,16 285,53
  # eggs A-egg hatch # ringed chicks # all chicks # fledged chicks comments
  3 10-4-2024 8-5-2024
   
dam: dam 2 east
location: below large boulders, east side of blocks, closer to bitumen than 2022.
parents? same as 2022, 2023
   
ring pulli: 12-May
date darvic metal location / nest# species sexe age wing mass head+ bill bill tarsus gonys greyscale
14-05-2024 g-B|S .5631170 nest XCHP PONT 1CY 200          
14-05-2024 g-B|T .5631171 nest XCHP PONT 1CY 273          
                           
OBSERVATIONS:
12-04-2024 eggs: 2, measured.
adults: yXCHP & partner present
21-04-2024 eggs: 3 eggs, measured.
23-04-2024 adults: yXCHP & partner present
02-05-2024 eggs: 3 eggs.
14-05-2024 chicks: 2x ringed and measured.
food: Round Goby (zwartbekgrondel / Neogobius melanostomus) and worms.
04-06-2024 adult: y-XCHP & partner present and aggressive.
18-06-2024 chick: CONTROLL: g-B|T at water.

below: Caspian Gull cachinnans B|T 1CY, July 15 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst.

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

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

14-05-2024 g-B|S .5631170 nest XCHP PONT 1CY 200
14-05-2024 g-B|T .5631171 nest XCHP PONT 1CY 273