Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
Cachinnans - nest Lelystad b/r-JC
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 b/r-JC positioned on dam 2, 12 meters NE of nest 38, on top of dam 2. Most eastern nest of all nests.
- In 2025 breeding birds are Herring Gulls, of which the male now ringed, Herring Gull b/r-JC.
| partner 1 | April 28th, 2025: Herring Gull b/r-JC. | April 28th, 2025: Herring Gull b/r-JC. | April 28th, 2025: Herring Gull b/r-JC. |
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Data for nest b/r-JC (2025).
| 2025 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | |
| b/r-JC | teus | ||||||||||||
| dam: | dam 2 north | ||||||||||||
| location: | 12m east/north of nest 38, on top of dam 2
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| parents: | new | ||||||||||||
| ringed: | |||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 4/28/2025 | b/r-JC | 6254499 | dam 2 | ZM | M | >4CY | 439 | 949 | 121,7 | 48,2 | 66,6 | 20 | 5 |
| OBSERVATIONS: | |||||||||||||
| 4/28/2025 | adult | breeding adult trapped on nest, now b/r-JC.
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| nest | 1 egg broke during capture.
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