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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse |
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location: | April 9th, 2021. | April 9th, 2021. | April 9th, 2021. |
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pulli: | May 14th, 2021: pullus r[K.8]. | May 14th, 2021: pullus r[K.9]. | May 14th, 2021: pullus b[D|A]. |
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prey: | May 14th, 2021: Roach / Rudd 1x. | ||
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Visits and data.
Date: | details: | |||||
9-4-2021 | 3 eggs in nest. | egg no: | width (mm): | length (mm): | volume (cm3): | |
https://waarneming.nl/observation/210426774/ | A egg | 52.9 | 74.5 | |||
B egg | 50.9 | 73.9 | ||||
C egg | 51.3 | 71.4 | ||||
23-4-2021 | 3 eggs in nest. | |||||
Attempt to trap breeding adult. Failed. | ||||||
14-5-2021 | 3 pulli in nest. | metal: | tibia: | mass (gr): | head + bill: | tarsus: |
Prey: Roach / Rudd 1x. | NLA 5.556.742 | r-K.8 | 233 | 68.7 | 44.7 | |
https://waarneming.nl/observation/214663900/ | NLA 5.556.743 | r-K.9 | 314 | 74.5 | 48.6 | |
NLA 5.556.744 | b-D|A | 311 | 73.4 | 73.4 | ||
20-5-2021 | No chicks near nest, nest is empty, but shit traces. | |||||