Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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International trend
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Breeding biology
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Breeding species
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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20
Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21
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Caspian Gull cachinnans 0.8 1CY, May 13 2022, De Kreupel, the Netherlands.
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Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |
Bird from De Kreupel, nest E1 on island E. Data for this nest:
| Date: |
Egg code |
Height (mm) |
Width (mm) |
Comments |
Metal NLA |
Colour ring |
Wing (mm) |
Head+ bill (mm) |
Bill |
Mass (gr) |
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| 14-4-2022 |
A-egg |
74.0 |
51.5 |
2 eggs |
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B-egg |
72.2 |
49.8 |
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| 29-4-2022 |
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3 eggs |
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| 13-5-2022 |
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3 pulli in nest |
5620248 |
Red 0.8 |
|
51.1 |
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61 |
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5620249 |
Red 0.9 |
|
52.2 |
|
81 |
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5620250 |
Red 0.= |
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53.7 |
|
88 |
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Larus cachinnans in the Netherlands