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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse |
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partner 1: | April 23rd, 2021: adult Herring Gull r-K.C (more images). | . |
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pulli: | May 14th, 2021: pullus r[K.7]. | May 20th, 2021: pullus NLA 5.556.763 |
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Visits and data.
Date: | details: | |||||
23-4-2021 | 3 eggs in nest. | egg no: | width (mm): | length (mm): | volume (cm3): | |
C egg | 49.0 | 73.1 | ||||
A egg | 48.9 | 70.3 | ||||
B egg | 49.7 | 73.9 | ||||
Attempt to trap breeding adult. Adult trapped. | metal: | tibia: | wing: | head + bill: | bill: | |
Adult female Herring Gull argentatus. | NLA 6.211.438 | Red-K.C | 427 | 119.4 | 51.8 | |
mass: | moult score: | bill height: | grey scale: | Tarsus: & Swob: | ||
-- | left P1 missing | 18.9 | 3.5 | 65.0 & 1079 | ||
14-5-2021 | 1 chick & 1 egg in nest. | metal: | tibia: | mass (gr): | head + bill: | tarsus: |
https://waarneming.nl/observation/214664184/ | NLA 5.556.741 | r-K.7 | 68 | 48.6 | 28.3 | |
20-5-2021 | 2 chicks in nest. | metal: | tibia: | mass (gr): | head + bill: | tarsus: |
https://waarneming.nl/observation/214711054/ | NLA 5.556.741 | r-K.7 | 200 | 64.5 | -- | |
NLA 5.556.763 | -- | 91 | 54.2 | 32.2 | ||