Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans F|E 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.
Blue bar tibia ring b[F|E], ringed as pullus Larus cachinnans on May 21 2020 at nest 31 in colony Lelystad, the Netherlands.
ID certain, both Caspian Gull cachinnans, one parent has sub-adult patterns in wing.
| date: | egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 27th: | |
| 07-05-2020 | A | 48,2 | 74,5 | 87,15 | 90 - tip on bottom | 3 eggs in the nest, both partners cachinnans, one sub-adult. |
| 07-05-2020 | B | 50,7 | 72,6 | 93,96 | 90 - tip on bottom | |
| 07-05-2020 | C | 48,2 | 73,8 | 86,33 | 90 - tip on bottom | |
| sum nest: | 267,44 | |||||
| 21-05-2020 | -- | Nest empty, one chick found, ringed b[F|E]. Prey in nest: 4 fishes (3x roach, 1x perch). |
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