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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Thijs Horst Leon Kelder Mars Muusse |
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pulli: | May 20th, 2021: pullus b[D|P]. | June 11th, 2021: pullus b[D|P]. | June 11th, 2021: pullus b[D|P]. |
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May 20th, 2021: pullus b[D|N]. | June 11th, 2021: pullus b[D|P]. | . | |
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prey: | May 20th, 2021: Roach. | May 20th, 2021: Roach. | May 20th, 2021: Roach. |
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Visits and data.
Date: | details: | |||||
23-4-2021 | 2 eggs in nest. | egg no: | width (mm): | length (mm): | volume (cm3): | |
A egg | 50.9 | 63.6 | ||||
B egg | 50.9 | 68.9 | ||||
Attempt to trap breeding adult. Failed. | ||||||
14-5-2021 | 2 eggs in nest. | |||||
20-5-2021 | 2 chicks in nest. | metal: | tibia: | mass (gr): | head + bill: | tarsus: |
Prey: 3x Roach. | NLA 5.556.751 | b-D|N | 115 | 56.5 | 32.2 | |
https://waarneming.nl/observation/214707132/ | NLA 5.556.752 | b-D|P | 73 | 47.8 | 27.0 | |
11-6-2021 | 2 chicks near nest. | metal: | tibia: | mass (gr): | head + bill: | wing: |
https://waarneming.nl/observation/216984848/ | NLA 5.556.751 | b-D|N | - | 104.4 | 228.5 | |
NLA 5.556.752 | b-D|P | 681 | 93.3 | 182.5 | ||