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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 27th, 2022: nest location. | April 27th, 2022: nest location. | April 27th, 2022: nest location. |
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nest | April 27th, 2022: 3 eggs. | April 27th, 2022: 3 eggs. | April 27th, 2022: female cachinnans (partner 1) at nest. |
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partner 1 | April 27th, 2022: female cachinnans = partner 1. | May 1st, 2022: female cachinnans = partner 1. | May 1st, 2022: female cachinnans = partner 1. |
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May 1st, 2022: female cachinnans = partner 1. | May 1st, 2022: female cachinnans = partner 1. | . | |
partner 2 | April 27th, 2022: male cachinnans = partner 2. | April 27th, 2022: male cachinnans = partner 2. | . |
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pullus | May 17th: pullus r[5.Y]. | May 17th: pullus r[5.Z]. | September 21st, 2022: juvenile r[5.Y] in England. |
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Visits and data 2022 for nest 137:
Estimation egg laying: A-egg = April 12 2022. Estimating hatching = May 10 2022.
egg no: | width (mm): | length (mm): | volume (cm3): | water test April 27th: | |||
27-04-2022 | A-egg | 50 | 69,5 | -- | 2 mm - floating | 3 eggs | |
B-egg | 48,2 | 67,2 | -- | 1 mm - floating | |||
C-egg | 49,8 | 68,8 | -- | 1 mm - floating | |||
sum nest: | -- | ||||||
01-05-2022 | Cach at nest, female = partner 1. | ||||||
metal | darvic | mass | head+bill | ||||
17-05-2022 | .5625126 | r-5Z | 137 | 62,5 | |||
.5625127 | r-5Y | 202 | 72,7 | ||||
22-05-2022 | Nest empty, chicks not found in dense vegetation. 2 alarming partners. | ||||||
17-06-2022 | 1 parent present, together with at least one chick. No good views on legs, no definite view for presence of rings. | ||||||
21-06-2022 | 2 parents present, together with r-5Y. Also: 1x unringed sibling. Hence: all 3 eggs hatched. At least 2 chicks fledged from this nest; no fledging data for r-5Z. | ||||||
28-06-2022 | Picture of r-5Y. Fledged. | ||||||
12-07-2022 | Picture of r-5Y. Fledged. | ||||||