Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 1:= 1CY, 2026, colony Lelystad, the Netherlands.
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Tibia Y-1:= and metal 5.650.301, ringed as pullus Larus cachinnans on June 06 2026 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs ringing team.
Recoveries:
27-06-2026 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
Visits and data for nest r75-y14 in 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:
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# eggs | |
| r-75 & y-1:4 | cach | cach | 70,0 | 50,7 | 71,2 | 50,5 | ||||||||
| ringed: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | |
| 23-05-2026 | y-1:4 | .5646788 | PARTNER R-75 | CACH | F | >4CY | 438 | 864 | 125,4 | 56 | - | 17,5 | - | |
| 06-06-2026 | y-1:= | .5650301 | R-75 & y-1:4 | CACH | - | PULL | 68 | 245 | ||||||
OBSERVATIONS:
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| 26-04-2026 | nest | 1 egg | ||||||||||||
| parents | R-75 at nest. |
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| 27-04-2026 | nest | 2 eggs, measured. | ||||||||||||
| parents | R-75 at nest. With unringed Caspian Gull. |
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| 05-05-2026 | parents | Attempt to trap unringed partner, failed. | ||||||||||||
| nest | 3 eggs, measured. | |||||||||||||
| 10-05-2026 | parents | Attempt to trap unringed partner, failed. | ||||||||||||
| 23-05-2026 | parent | female trapped at nest | ||||||||||||
| 06-06-2026 | pull | ringed only pullus in nest. | ||||||||||||
| 27-06-2026 | juv | Onbly juvenile y-1:= fletched. Obs: camera trap. | ||||||||||||