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 2023
nest y-PNED
nest y-P:U60
nest y-X56A
nest y-X71A
nest y-X60J
nest y-XCHP
nest w-327:U
nest n-F|6
nest n-F|8
nest n-F|+
nest n-F|N
nest r-6B
nest r-CG
nest w-8Z
nest 003
nest 006
nest 013
nest 014
nest 015
nest 017
nest 017B
nest 018
nest 019
nest 021
nest 026
nest 033
nest 034
nest 035
nest 038
nest 040
nest 044
nest 046
nest 048
nest 053
nest 055
nest 060
nest 061Z
nest 062
nest 063
nest 107Z
nest 108
nest 109
nest 111
nest 112
nest 127Z
nest 131Z
nest 132 YLG
nest 135
nest 139
nest 147Z
nest 154
nest 163
nest 167
nest 168
nest 204
nest 206
nest 207
nest 223
nest 227
nest 230Z
nest 231
nest 244Z
nest 245Z
nest 248
nest 251
nest 252
nest 253
nest 254
nest 255Z
nest 256Z
nest 262

 

Yellow-legged Gull michahellis hybrid NLA 5.625.271 1CY, May 27 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Metal NLA 5.625.271, ringed as pullus Larus hybrid. at nest 132 on May 27 2023 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs ringing team.
ID uncertain in 2023: likely one parent is Herring Gull argenteus, and the other is Yellow-legged Gull michahellis.

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?
micha x teus? 132-2023 70 47,9 80,87 69 48 80,04 0 0 0,00 160,91 same as 2022?
ring pulli: laying A egg: hatch A egg
 
catch: date: metal: darvic: mass: wing: head+bill:
Pullus 27-5-2023 5.625.272 132 code at white code 132 (3 mtr E of red dot 132): 3x only metal: NLA 5625272, 273, 274
Pullus 27-5-2023 5.625.273 132 code at white code 132 (3 mtr E of red dot 132): 3x only metal: NLA 5625272, 273, 274
Pullus 27-5-2023 5.625.274 132 code at white code 132 (3 mtr E of red dot 132): 3x only metal: NLA 5625272, 273, 274
Pullus 27-5-2023 5.625.271 132 red dot red dot (3 mtr W of code 132): 1x egg, 1x tiny one, hatched today, 1x metal NLA 5625271
Pullus 18-6-2023 5625273 649 98,8 LBBG type, seemingly no micha-hybrid
Pullus 18-6-2023 5625272 366 87,1 LBBG type, seemingly no micha-hybrid
   
132-2023 see also: 129.
dam: dam 1 blokken
location: is nest 132-2022, michahellis nest.
breeders: micha x teus?
OBSERVATIONS:
26-04-2023 adult: michahellis landed next to red spot.
nest: 1 m East of red spot, nest with 2 eggs.
eggs: 2x egg, measured. No water test.
11-05-2023 eggs: 3 eggs
13-05-2023 adult: michahellis.
27-05-2023 nest: At nest 132 red spot, 1x metal. 
At nest 132 digits, 3x metal.

below: Yellow-legged Gull michahellis hybrid NLA 5.625.271 1CY, May 27 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.