Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans F|Y 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.
Black tibia bar ring n[F|Y], ringed as pullus Larus cachinnans on May 21 2020 at nest 001 in colony Lelystad, the Netherlands.
ID uncertain, presumed breeders are Caspian Gull cachinnans adult x Yellow-legged Gull michahellis 4CY.
Nest in dense cluster of several nests; from the water it proved to be difficult to pin down the parents for this particular nest.
| date: | egg no: | width (mm): | length (mm): | volume (cm3): | water test on April 27th: | laying date: | |
| 15-4-2020 | A | 51,9 | 72,7 | 96,33 | 90 - 1mm floating | ||
| 15-4-2020 | B | 49,7 | 73,2 | 100,31 | 90 - tip bottom | ||
| 27-4-2020 | C | 48,2 | 76,5 | 89,49 | 90 - tip bottom | ||
| sum nest: | 286,12 | ||||||
| 21-5-2020 | pullus | Empty nest, 1 chick within 1 meter of nest, ringed n[F|Y]. | |||||
