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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 19th, 2022: nest location. | May 1st, 2022: nest location with male. | April 15th, 2022: 3 eggs. |
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partner 1 | April 27th, 2022: female 1 is cachinnans. | April 27th, 2022: female 1 is cachinnans. | . |
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partner 2 | May 1st, 2022: partner 2 is cachinnans type. | April 27th, 2022: partner 2 is cachinnans type. | . |
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pullus | May 9th, 2022: pullus r[C.H]. | May 9th, 2022: pullus r[C.J]. | July 17th, 2022: juvenile r[C.J]. |
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Visits and data 2022 for nest 111:
Estimation egg laying: A-egg = April 3 2022. Estimating hatching = May 1 2022.
date: | |||||||
egg no: | width (mm): | length (mm): | volume (cm3): | ||||
15-04-2022 | A | 53,2 | 71,7 | -- | 90 - tip bottom | 3 eggs | |
B | 52,6 | 72,5 | -- | 60 - tip bottom | |||
C | 50,5 | 70,8 | -- | 70 - tip bottom | |||
sum nest: | -- | ||||||
egg no: | 3 eggs, 1 adult has short white tongue on P10: hybrid? | ||||||
27-04-2022 | A | float - 1 mm | |||||
B | float - 1 mm | ||||||
C | float - 3 mm | ||||||
Cach and cachinnans type at nest. | |||||||
04-05-2022 | Cachinnans type male at nest. | ||||||
metal | darvic | mass | H+B | ||||
09-05-2022 | .5625058 | r-C.H | -- | -- | |||
09-05-2022 | .5625059 | r-C.J | -- | -- | |||
17-05-2022 | .5625058 | r-C.H | 416 | 81,8 | |||
21-05-2022 | r-CH & r-CJ and another unringed chick swimming and flying between the dams. | ||||||
28-06-2022 | r-CH & r-CJ photos. | ||||||
17-07-2022 | r-CH & r-CJ photos. | ||||||