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Coordinator: Albert de Jong Merijn Loeve Roland-Jan Buijs Leon Kelder Mars Muusse |
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location | Nest in vegetation: 2020. | April 26th, 2021: male cachinnans at nest. | . |
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eggs | April 15th, 2020: 1 egg clutch. | April 27th, 2020: 3 eggs clutch. | April 16th, 2021: nest cachinnans, marked code '3'. |
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partner 1 | May 7th, 2020: male cachinnans. | May 7th, 2020: male cachinnans. | June 2nd, 2020: male cachinnans. |
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April 26th, 2021: male cachinnans. | April 26th, 2021: male cachinnans. | April 26th, 2021: male cachinnans. | |
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partner 2 | May 7th, 2020. | May 7th, 2020. | . |
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April 16th, 2021: female cachinnans. | July 9th, 2021: female cachinnans. | ||
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pulli | May 21st, 2020 pullus n[F|R]. | May 21st, 2020 pullus n[F|S]. | May 21st, 2020 pullus n[F|T]. |
May 28th, 2021 pullus r[F.D]. | May 28th, 2021 pullus r[F.E]. | July 9th, 2021: unringed chick & female cachinnans. | |
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Visits and data.
date: | egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 27th: | laying date: | |
15-04-2020 | A | 50,3 | 72,3 | 92,10 | 90 - floating, 4mm above surface | ||
27-04-2020 | B | 50,1 | 71,5 | 90,36 | 90 - hafway in water | Both parents have cachinnans wing pattern. | |
27-04-2020 | C | 47,9 | 70,3 | 81,21 | 90 - tip at bottom | ||
sum nest: | 263,68 | ||||||
21-05-2020 | pulli | Empty nest, 3 chicks near nest, ringed n[F|R], n[F|S], n[F|T]. | |||||
date: | |||||||
16-04-2021 | One adult is 100% certain partner 2 2020. Alert adult near nest. | ||||||
Nest with 3 eggs. | |||||||
egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 16th: | |||
A egg | 50,5 | 75,1 | 96,43 | 35 - tip at bottom | |||
B egg | 50,4 | 72,1 | 92,21 | 40 - tip at bottom | |||
C egg | 49,5 | 72,3 | 89,20 | 30 - tip at bottom | |||
sum nest: | 277,84 | ||||||
24-04-2021 | 3 eggs present. | ||||||
26-04-2021 | Adult very reluctant to leave the nest. | ||||||
06-05-2021 | No visit. | ||||||
13-05-2021 | No visit, due to Spoonbills settling. | ||||||
15-05-2021 | No visit, due to thunder. | ||||||
28-05-2021 | metal | tibia | mass (gr) | head + bill (mm) | |||
pullus | .5559428 | r-F.D | 707 | 93,3 | |||
pullus | .5559429 | r-F.E | 641 | 93 | |||
08-06-2021 | One guarding adult, near location where we ringed chicks. | ||||||
26-06-2021 | No visit, due to narrow timeframe. | ||||||
09-07-2021 | Female at blocks, right beneath nest 3, with fledged unringed juvenile. | ||||||