Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Cachinnans - nest IJburg01
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 IJburg01 positioned at IJburg - Buiteneiland, Amsterdam.
- ID certain in 2025: both parents are sub-adult Caspian Gull cachinnans.
| partner 1 | June 18th, 2025: sub-adult male cachinnans. | ||
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| partner 2 | June 18th, 2025: sub-adult female cachinnans. | ||
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| pullus | May 7th, 2024: chick g-C|8. | ||
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Visits and data 2025:
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |
| 18-06-2025 | G-C|8 | .5641967 | IJburg, Buiteneiland | PONT | pullus | 100 | 555 | ringed pullus | |||||