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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse |
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April 9th, 2021. | April 9th, 2021. | April 9th, 2021. | |
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partner 1: | April 23rd, 2021: adult r-K.F (more images). | . | . |
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pulli: | May 14th, 2021: pullus p[FU]. | May 14th, 2021: pullus p[FV]. | May 14th, 2021: pullus p[FW]. |
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Visits and data.
Date: | details: | ||||||
9-4-2021 | 1 egg in nest. | egg no: | width (mm): | length (mm): | volume (cm3): | ||
https://waarneming.nl/observation/210431375/ | A egg | 51.2 | 73.5 | ||||
23-4-2021 | 3 eggs in nest. | egg no: | width (mm): | length (mm): | volume (cm3): | ||
A egg | 51.3 | 73.7 | |||||
B egg | 50.8 | 74.4 | |||||
C egg | 49.1 | 71.1 | |||||
metal: | tibia: | wing: | head + bill: | bill: | |||
Adult trapped at nest: Caspian Gull. | NLA 6.211.441 | Red-K.F | 484.0 | 138.3 | 67.3 | ||
mass: | tarsus: | moult score: | bill height: | grey scale | Swob | ||
1095 | 74.5 | 10x0 | 20.0 | 6.5 | 1082 | ||
14-5-2021 | 3 chicks in nest. | metal: | tibia: | mass (gr): | head + bill: | tarsus: | |
https://waarneming.nl/observation/214662455/ | NLA 5.556.716 | Pale FU | 126 | 57.4 | 33.1 | ||
NLA 5.556.717 | Pale FV | 185 | 63.5 | 38.6 | |||
NLA 5.556.718 | Pale FW | 174 | 62.7 | 37.9 | |||
20-5-2021 | 3 chicks in nest. | metal: | tibia: | mass (gr): | head + bill: | wing: | |
NLA 5.556.716 | Pale FU | 335 | 73.5 | 65.5 | |||
NLA 5.556.717 | Pale FV | 466 | 81.8 | 77.0 | |||
NLA 5.556.718 | Pale FW | 430 | 79.8 | 78.5 | |||