Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans M|7 1CY, 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia G-M|7 and metal NLA 5.641.008, ringed as pullus Larus cachinnans on April 28 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Mother: adult Caspian Gull.
Father: adult Caspian Gull.
Nest: 204-2025. In 2025, g-M|7 fledged as only chick. Fledging rate for this nest 2025 = 1,0.
Recoveries:
08-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
14-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
25-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
29-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Visits and data 204-2025.
| 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:
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# eggs |
| 204 | cach | cach | 76,4 | 51,5 | 73,9 | 51 | 72,1 | 50,1 | 3 | ||||
| dam: | dam 2 west
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| location: | between lighthouse and blue sign, 5 mtr west of 248 (yellow helmet); was 204-2023. Red spot.
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| parents: | |||||||||||||
| ring pulli: | |||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | |
| 28-04-2025 | g-M|7 | 5.641.008 | 204 | PONT | PULLUS | 74 | |||||||
| 28-04-2025 | g-M|8 | 5.641.009 | 204 | PONT | PULLUS | 84 | |||||||
| 13-05-2025 | g-M|7 | 5.641.008 | 204 | PONT | 457 | ||||||||
OBSERVATIONS:
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| 16-03-2025 | nest | 2x cach at blocks in front of nest 204 / nest 248, northside dam 2 west.
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| 21-04 | eggs | 3 eggs, measured.
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| 23-04 | adult | Caspian Gull at block.
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| 28-04 | nest | 2 pullus ringed, 1 hatching.
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| 08-05-2025 | adult | both partners present.
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| 13-05-2025 | chick | g-M|7 found near water edge, 457gr. G-M|7 fledged & g-M|8 not seen after ringing.
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below: Caspian Gull cachinnans M|7 1CY, July 09 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans M|7 1CY, June 30 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans M|7 1CY, June 29 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans M|7 1CY, June 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans M|7 1CY, May 13 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans M|7 1CY, April 28 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |
| 28-4-2025 | G-M|7 | .5641008 | nest 204 | PONT | PULLUS | 74 | Ringed pullus |
