Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Argenteus - nest Lelystad 246Z
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 246 positioned on dam 1 south section. 12 meters E of 128, at N-side edge of Blackberry complex. Nest of Herrings, is part of "Herring Gull control group".
- ID certain in 2022: both are Herring Gulls. One adult trapped at 3-egg clutch, ringed and now r[6.C].
| location | May 22nd, 2022: location of nest. | May 22nd, 2022: 3 eggs in nest. | May 30th, 2022: 1x egg, 2x pulli metal ringed. |
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| partner 1 | May 22nd, 2022: breeding Herring Gull, now r[6.C]. | May 22nd, 2022: breeding Herring Gull, now r[6.C]. | May 22nd, 2022: breeding Herring Gull, now r[6.C]. |
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Visits and data for 246Z-2022.
| date: | |||||||
| 22-05-2022 | nest with 3 eggs, code '246Z', for Herring Gull control group. Herring Gull trapped at nest. | ||||||
| metal: | darvic: | wing: | Head + Bill: | Gonys: | Mass: | Greytone: | |
| NLA 5625154 | r-6.C | 422 | 116,2 | 18,9 | 866 | 4.0 | |
| 30-05-2022 | 2 chicks in nest. Both too small for darvic. Only metal rings. (<3 days age) | ||||||
| NLA .5625185 | |||||||
| NLA .5625186 | |||||||
| 21-06-2022 | pullus NLA .5625185 dead in nest. | ||||||
| 28-06-2022 | r-6C adult Herring Gull photographed at dump Almere - De Vaart. | ||||||