Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
Argenteus - nest Lelystad b/w-AJ (097)
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 096 positioned on dam 1 west. Location is opposite harbour, 85 mtr (?) W of yellow sign 2,5. Code sprayed on tarmac. 10 mtr W of 97.
- Certainty on ID in 2024, both are Herring Gull argenteus. One ringed, and one found dead, late May.
| location | May 07 2024: Herring Gull nest. | May 07 2024: Herring Gull threw up fish. | May 07 2024: Herring Gull nest. |
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| paerner 1 | May 07 2024: Herring Gull adult b/w-AK. | May 07 2024: Herring Gull adult b/w-AK. | . |
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Visits and data 2024.
| NEST code | 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/w-AK (96) | teus | teus | 71,3 | 47,9 | 82,37 | 70,1 | 47,7 | 80,31 | 67,2 | 46,6 | 73,48 | 236,15 | |
| 2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | |||||||||||||
| dam: | dam 1 south | ||||||||||||
| location: | 85 W (?) of yellow sign 2,5. Code sprayed on tarmac. 10 mtr W of 97. | ||||||||||||
| parents? | new | ||||||||||||
| ring pulli: | 03-June | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | 07-05-2024 | b/w-AK | .5631165 | dam 1 zuid, 96 | ZM | >4CY | 415 | 820 | 114,8 | 46,3 | 62,2 | 19,2 | 5 |
| OBSERVATIONS: | |||||||||||||
| 07-05-2024 | adult: | Herring Gull male trapped at nest. | |||||||||||
| food: | when trapped, adult Herring Gull vomitted fish (species not IDed). | ||||||||||||
| eggs: | 3x, measured. | ||||||||||||
| 04-06-2024 | adult: | 1x dead adult Herring Gull near nest. Unringed, likely partner of b/w-AK. | |||||||||||