Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 0:8 1CY, 2026, the Netherlands. Picture: Thijs Horst.
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Tibia Y-0:8 and metal 5.646.661, ringed as pullus Larus cachinnans on May 05 2026 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs ringing team.
Recoveries:
23-05-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
23-06-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
27-06-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
30-06-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
11-07-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
26-09-2026 Nederlands Continental Plat (Kustzee), Noordzee, NL 5.206,00 N 415,00 E colourring read Horst, Muusse(s) & Cottaar
Visits and data g-U|5 (Yellow helmet 248-2026).
| 2026 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST:
|
# eggs | |
| g-U|5 (248) | cach | cach | 74,7 | 52,5 | 72,7 | 52,9 | 71,4 | 51,1 | ||||||
| ringed: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | tarsus | head+ bill | bill | gonys | mass | barcode | |
| 13-04-2026 | g-U|5 | .6260165 | Nest 248 gele helm | PONT | M | >4CY | 471 | 75,8 | 139,1 | 63,8 | 20,5 | 1111 | 26B02641 | |
| 05-05-2026 | Y-0:8 | .5646661 | g-U|5 (gele helm) | PONT | pullus | 85 | ||||||||
| 05-05-2026 | Y-0:9 | .5646662 | g-U|5 (gele helm) | PONT | pullus | 109 | ||||||||
OBSERVATIONS:
|
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| 04-04-2026 | nest | 2 eggs. | ||||||||||||
| 22-04-2026 | nest | 3 eggs, measured. | ||||||||||||
| 13-04-2026 | nest | 3 eggs. | ||||||||||||
| parents | 1x unringed Caspian Gull trapped, now male g-U|5. | |||||||||||||
| 27-04-2026 | nest | 3 eggs. | ||||||||||||
| 05-05-2026 | pullus | 2x ringed. | ||||||||||||
| egg | 1x pullus died while hatching / hole in egg. | |||||||||||||
| food | Fish. | |||||||||||||
below: Caspian Gull cachinnans 0:8 1CY, September 26 2026, off-Scheveningen, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 0:8 1CY, May 05 2026, colony Lelystad, the Netherlands. Picture: Mars Muusse & Thijs Horst.
