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Coordinators: Albert de Jong Leon Kelder Roland-Jan Buijs Thijs Horst Merijn Loeve Mars Muusse |
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location | April 27th, 2022: location of nest. | April 27th, 2022: 3 eggs. | May 4th, 2022: 3 eggs in nest. |
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partner 1: | May 4th, 2022: adult at nest. | May 30th, 2022: food bolus is sausage. | |
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pullus | May 30th, 2022 pullus r[5.=]. | May 30th, 2022 pullus r[5.+]. | . |
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Visits and data:
Estimation egg laying: A-egg = April 19 2022. Estimating hatching = May 17 2022.
27-Apr-22 | 3 eggs | A egg | 68,8 | 48,3 | tip bottom - 35 gr | ||
B egg | 70,1 | 48,1 | tip bottom - 80 gr | ||||
C egg | 68,5 | 48 | tip bottom - 50 gr | ||||
01-May-22 | adult Herring near nest | ||||||
04-May-22 | 3 eggs | with Herring Gull | |||||
09-May-22 | 3 eggs | ||||||
17-May-22 | 2 eggs | male is Herring, female possibly Caspian? | |||||
metal | darvic | mass | wing | Head+Bill | |||
22-May-22 | pullus | 5625146 | r-5+ | 205 | 44 | 64,4 | |
pullus | 5625147 | r-5= | 98 | 29 | 54,2 | ||
1 egg | intact | ||||||
metal | darvic | mass | wing | H+B | Bill | ||
30-May-22 | pullus | 5625146 | r-5+ | 375 | 72 | 78 | 30,5 |
pullus | 5625147 | r-5= | 336 | 51 | 72,3 | 25,8 | |
1 egg infertile | |||||||
food: r[5.=] threw up sausage | |||||||
17-Jun-22 | adult present |