Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
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Caspian Gull cachinnans L|V 2CY, March 04 2026, Delta del Llobregat, Spain. Picture: Manuel Pineda.
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Tibia G-L|V and metal NLA 5.639.010, ringed as pullus Larus cachinnans on May 02 2025 at IJsselmeer (De Kreupel), Noord-Holland, by ringer Leon Kelder.
Recoveries:
04-03-2026 Viladecans (Delta del Llobregat), Barcelona, SPANJE 4.116,53 N 203,54 W colourring read Manuel Pineda
Data for nest C1 - 2025.
| Metal ring |
Colour ring |
Date |
Species |
Age |
Clutch size |
Location |
Nest code |
Ringer |
Head+Bill |
Mass |
Wing |
Parents |
| NLA 5639009 |
g-L|U |
02-5-2025 |
Caspian Gull |
pullus |
3 eggs |
the Netherlands, De Kreupel - eiland C. |
C1 |
Leon Kelder |
53,8 |
81,0 |
|
|
| NLA 5639010 |
g-L|V |
02-5-2025 |
Caspian Gull |
pullus |
3 eggs |
the Netherlands, De Kreupel - eiland C. |
C1 |
Leon Kelder |
50,0 |
64,0 |
|
|
| NLA 5639011 |
g-L|W |
02-5-2025 |
Caspian Gull |
pullus |
3 eggs |
the Netherlands, De Kreupel - eiland C. |
C1 |
Leon Kelder |
53,3 |
76,0 |
|
|
visitor:
| NLA 5632598 |
g-L|F |
09-5-2025 |
Caspian Gull |
pullus |
1 egg |
the Netherlands, De Kreupel - eiland C. |
C1 |
Leon Kelder |
81,1 |
384,0 |
88,5 |
|
below: Caspian Gull cachinnans L|V 2CY, March 04 2026, Delta del Llobregat, Spain. Picture: Manuel Pineda.

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