Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans hybrid C|+ 1CY, May 31 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Merijn Loeve.
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Tibia ring G-C|+ and metal NLA 5.631.133, ringed as pullus Larus cachinnans hybrid on May 31 2024 in nest b/w-AA-2024 at Lelystad, the Netherlands. Ringed by Merijn Loeve (Roland-Jan Buijs ringing team).
Mother is Herring Gull, father is Caspian Gull.
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-A|A | teus | cach type | 75,4 | 52,6 | 105,04 | 76 | 52 | 103,47 | 74,7 | 52,4 | 103,27 | 311,78 | |
| 276-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 17-4-2024 | 15-5-2024 | |||||||||||
| dam: | dam 2 east | ||||||||||||
| location: | Location was 276: N side of dam, near bend, 20 mtr W of 46 (blocks). | ||||||||||||
| parents? | new. | ||||||||||||
| ring pulli: | 21-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 31-05-2024 | g-C|+ | .5631133 | b/w-AA | cach x teus |
1CY | ||||||||
| 31-05-2024 | g-C|= | .5631134 | b/w-AA | cach x teus | 1CY | ||||||||
| OBSERVATIONS: | |||||||||||||
| 23-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
| adult: | trapped female Herring Gull. | ||||||||||||
| 31-05-2024 | chicks: | 2x ringed. Unringed chick died >7 days ago. | |||||||||||
below: Caspian Gull cachinnans hybrid C|+ 1CY, May 31 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Merijn Loeve.
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 23-4-2024 | b/w-AA | .5625289 | nest 276 dam 2 | ZM | F | >4CY | 412 | 125,5 | 51,1 | 66,6 | 19,0 | 6 | |
| 31-5-2024 | g-C|+ | .5631133 | b/w-AA | cach x teus | 1CY | ||||||||
| 31-5-2024 | g-C|= | .5631134 | b/w-AA | cach x teus | 1CY | ||||||||
