Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Herring Gull argenteus 8|J 1CY-3CY, May 2023 - February 2025, Lelystad & Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Tibia G-8|J and metal NLA 5.625.259, ringed as pullus Larus argentatus on May 27 2023 in nest 255 at Lelystad, the Netherlands (5230.00 N 525.00 E). Ringer Merijn Loeve / Roland-Jan Buijs ringing team.

Recoveries:
27-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
25-04-2024 Terschelling (Strand), Friesland, NL 5.326,00 N 527,00 E colourring read Ben van Dort
19-10-2024 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Fred Cottaar
20-01-2025 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Fred Cottaar
18-02-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Mars Muusse
20-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst

Visits and data for 2023

egg sizes & volume 2023
SPECIES NEST A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume TOTAL NEST: known parents?
teus x teus 255-2023 69,6 49,8 86,91 69,6 49,7 86,56 69,95 48,6 83,19 256,66 New nest
ring pulli: May 25 laying A egg: April 20 hatch A egg: May 18
     
catch: date: metal: darvic: mass:    
eggs 11-05-2023 C-egg measured. 69,95 48,6
eggs 18-05-2023 eggs, still no chicks.
pullus 27-05-2023 5.625.258 g-8|K 71
pullus 27-05-2023 5.625.259 g-8|J 92 right tibia
pullus 27-05-2023 5.625.260 g-8|L 102
   
255-2023 NEW NEST
dam: dam 2 west
location: 6 mtr east of lighthouse dam 2. Visible from N side. Red + on block in front of nest.
breeders: teus x teus
OBSERVATIONS:
26-04-2023 nest: 2 eggs. Measured.
27-04-2023 adult: probably cach is one of the parents.
30-04-2023 adult: teus & teus.
11-05-2023 nest: 3 eggs, measured c egg today
27-05-2023 adult: Herring Gull 2x
pullus: 3x chicks ringed and measured.
18-06-2023 pullus: g-8|K & g-8|J present, at nest site. We did not enter the dam today.

below: Herring Gull argenteus 8|J 3CY, February 18 2025, Almere - De Vaart, the Netherlands. Picture: Mars Muusse.

below: Herring Gull argenteus 8|J 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Herring Gull argenteus 8|J 1CY, May 27 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.