Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans C|A 1CY, May-July 2024, De Kreupel & Lelystad colonies, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring G-C|A and metal NLA 5.631.198, ringed as pullus Larus cachinnans on May 14 2024 in nest rCS-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Recoveries:
04-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
25-06-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
18-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
24-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
28-07-2024 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: | |
| r-C.S 2024 | cach | cach | 74,6 | 50,1 | 94,28 | 72,1 | 49,8 | 90,03 | 71,1 | 50,3 | 90,57 | 274,88 | |
| # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | |||||||
| 3 | 10-4-2024 | 6-5-2024 | |||||||||||
| dam: | dam 1 T-split | ||||||||||||
| location: | Like 2023: on W-part, border bitumen - blocks. Visible from north side. Moved 2 mtr north, compared to 2023. | ||||||||||||
| parents? | R-CS is back, and with partner 2022? | ||||||||||||
| ring pulli: | 11-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 14-05-2024 | g-C|S | .5631197 | nest r-CS / 108 | PONT | 1CY | 252 | |||||||
| 14-05-2024 | g-C|A | .5631198 | nest r-CS / 108 | PONT | 1CY | 183 | |||||||
| 04-06-2024 | g-C|S | .5631197 | nest r-CS / 108 | PONT | 1CY | 235 | 610 | 103,9 | |||||
| 04-06-2024 | g-C|A | .5631198 | nest r-CS / 108 | PONT | 1CY | 221 | 778 | 105,7 | |||||
| OBSERVATIONS: | |||||||||||||
| 12-04-2024 | eggs: | 2 eggs, measured. | |||||||||||
| 21-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
| nest: | orange safety ring added | ||||||||||||
| 23-04-2024 | adults: | present are r-CS and brutal male partner cachinnans with yellow legs. | |||||||||||
| 07-05-2024 | eggs: | 1x hatching. | |||||||||||
| chicks: | 2x wet chicks, not ringed. | ||||||||||||
| 14-05-2024 | chicks: | 2x ringed, 3rd chick not found. | |||||||||||
| 04-06-2024 | chick: | g-C|A & g-C|S present. measured. | |||||||||||
below: Caspian Gull cachinnans C|A 1CY, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans C|A 1CY, June 25 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst.
Chicks g-C|A & g-C|S at nest.
below: Caspian Gull cachinnans C|A 1CY, June 04 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst, Mars Muusse & Albert de Jong.
below: Caspian Gull cachinnans C|A 1CY, May 14 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass |
| 14-05-2024 | g-C|S | .5631197 | nest r-CS / 108 | PONT | 1CY | 252 | ||
| 14-05-2024 | g-C|A | .5631198 | nest r-CS / 108 | PONT | 1CY | 183 |
