Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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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-6.B
nest r-7.P
nest r-C.G
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 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

Cachinnans - nest Lelystad 254

General remarks:

• Eggs: Volume measured by Stonehouse (1964) and Spaans & Spaans (1975), which make comparison possible with data from Texel (Camphuysen pers comm 16.04.2020).
• Nest 254 positioned on dam 2 central section: 5 mtr east of 'nest blue rope', west of nest 14. Code 'W' sprayed. New nest, discovered relatively late in season (late April).
• ID certain in 2023: both parents are sub-adult cachinnans.

location	April 26th, 2023: nest location dam 2.	April 26th, 2023: nest location sprayed "W".	April 26th, 2023: 2 eggs in nest.
partner 1	April 27th, 2023: sub-adult cachinnans breeding.	April 27th, 2023: male sub-adult cachinnans.	.
partner 2	May 13th, 2023: sub-adult female cachinnans.	May 13th, 2023: sub-adult female cachinnans.	.

Data for nest 254-2023: