Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans C|9 1CY, May-July 2024, Lelystad & De Kreupel, the Netherlands. Picture: Thijs Horst & Merijn Loeve.
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Tibia ring G-C|9 and metal NLA 5.631.130, ringed as pullus Larus cachinnans on May 31 2024 in nest g-A|3-2024 at Lelystad, the Netherlands. Ringed by Merijn Loeve (Roland-Jan Buijs ringing team).
Recoveries:
18-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
09-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
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: | |
| g-A|3 | cach | cach | 74,5 | 48 | 86,42 | 71,7 | 49,5 | 88,46 | 71,9 | 49,2 | 87,63 | 262,51 | |
| 056-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 10-4-2024 | 8-5-2024 | |||||||||||
| dam: | dam 2 east | ||||||||||||
| location: | was Black table 2020/2021, 15 mtr E of 17B, now with white jerrycan. Deep in Blackberries. | ||||||||||||
| parents? | New? | ||||||||||||
| ring pulli: | 12-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | 07-05-2024 | g-A|3 | .5631237 | 56 black table | PONT | F | >4CY | 449 | 1030 | 131,5 | 60,1 | 71,2 | 20,3 | 7 |
| 31-05-2024 | g-C|9 | .5631130 | 56 black table | PONT | 1CY | ||||||||
| OBSERVATIONS: | |||||||||||||
| 21-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
| adult: | 2x Caspian Gull: incubating and guarding. | ||||||||||||
| 02-05-2024 | eggs: | 3 eggs. | |||||||||||
| 07-05-2024 | adult: | 1x trapped at nest. Food: pork chop & chicken drumstick (likely landfill feeder) | |||||||||||
| 14-05-2024 | nest: | all eggs hatched. | |||||||||||
| chicks: | 2x heard in vegetation, but not found. No ringed. | ||||||||||||
| 31-05-2024 | chicks: | 1x ringed. | |||||||||||
| 04-06-2024 | nest: | no chick found. | |||||||||||
| 18-06-2024 | chick: | CONTROLL: g-C|9. | |||||||||||
below: Caspian Gull cachinnans C|9 1CY, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans C|9 1CY, July 09 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst.
Very much Herring Gull-like in plumage characteristics.
below: Caspian Gull cachinnans C|9 1CY, June 18 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans C|9 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 |
| 07-05-2024 | g-A|3 | .5631237 | 56 black table | PONT | >4CY | 449 | 1030 | 131,5 | 60,1 | 71,2 | 20,3 | 7 | |
| 31-05-2024 | g-C|9 | .5631130 | 56 g-A|3 | PONT | 1CY |
