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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Leon Kelder Mars Muusse |
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location | Eggs April 15th, 2020: 1 egg clutch. | Eggs April 27th, 2020: 3 eggs clutch. | |
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partner 1 | May 7th, 2020. | May 7th, 2020. | May 7th, 2020. |
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partner 1 | April 26th, 2021: possible bird for nest 13. | May 6th, 2021. | May 6th, 2021. |
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partner 2 | May 28th, 2021: possible partner nest 13. | May 28th, 2021: possible partner nest 13. | May 28th, 2021: possible partner nest 13. |
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pullus | May 28th, 2021: pullus b[F|R]. | May 28th, 2021: pullus b[F|S]. | May 28th, 2021. |
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Visits and data.
date: | egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 27th: | |
15-04-2020 | A | 51,4 | 71,2 | 94,71 | 90 - tip on bottom | 1 egg in nest. |
27-04-2020 | B | 51,1 | 72,2 | 94,92 | 90 - tip on bottom | Now 3 eggs in nest. |
C | 49,8 | 68,5 | 85,54 | 60 - tip on bottom | ||
sum nest: | 275,17 | |||||
21-05-2020 | ?? | Nest not checked as there are Spoonbills and Little Egrets breeding there too now. | ||||
date: | ||||||
26-04-2021 | Adult bird landed on this location. First indication of occupied nest. | |||||
egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 27th: | ||
06-05-2021 | A egg | 76,1 | 50,0 | 95,79 | 4 mm - floating | 3 eggs in nest. |
B egg | 76,9 | 48,2 | 89,95 | 4 mm - floating | ||
C egg | 73,8 | 48,7 | 88,13 | 1 mm - floating | ||
15-05-2021 | Nest missed in control. | |||||
28-05-2021 | metal | tibia | mass | head + bill | possible parent: Herring Gull type sub-adult. | |
pullus | .5559402 | b-F|P | 210 | 58,8 | ||
pullus | .5559403 | b-F|R | 190 | 67,2 | ||
pullus | .5559404 | b-F|S | 185 | 65,2 | ||
08-06-2021 | No visit. Spoonbill breeding here. | |||||
26-06-2021 | No visit. | |||||