Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Caspian Gull cachinnans 3.G 1CY, May 20 2023, De Kreupel, the Netherlands.
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Bird from De Kreupel, nest L21 on island L. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill (mm) | Mass (gr) |
| 14-4-2022 | A-egg | 74.6 | 51.6 | 1 egg | ||||||
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 2 pulli, 1 egg hatching | 5623525 | Red 1.1 | 59.1 | 60.0 | |||||
| 5623526 | Red 1.3 | 51.6 | 85.0 | |||||||
| 20-5-2022 | 3 pulli in nest | 5623525 | Red 1.1 | |||||||
| 5623526 | Red 1.3 | |||||||||
| 5623570 | Red 3.G | 64.7 | 202 | |||||||
| 17-6-2022 | 1 large juvenile, dead in colony | 5623570 | Red 3.G | |||||||
| 1-7-2022 | 1 large juvenile, dead on island Q | 5623526 | Red 1.3 | |||||||
| 20-5 - 26-5 camera trap observations: | adult female Caspian Gull | |||||||||
| 3CY male Caspian Gull partner | ||||||||||
| sometimes feeding 5 chicks | ||||||||||
| Caspian Gull r-KG visits the nest | ||||||||||
| 3CY Caspian Gull p-F8 visits the nest | ||||||||||
| 3CY Caspian Gull y-XJCL visits the nest | ||||||||||
| German Herring Gull y-HXN24 visits the nest | ||||||||||
| Pullus r-3H in the nest, belongs to nest L19 | ||||||||||