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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 9th, 2023: nest location dam 2. | April 9th, 2023: full clutch, with 3 eggs. | April 21st, 2024: full clutch, with 3 eggs. |
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partner 1 | April 27th, 2023: breeding adult cachinnans. | April 27th, 2023: adult cachinnans. | . |
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partner 1 | April 23rd, 2024: female cachinnans. | April 23rd, 2024: female cachinnans. | April 23rd, 2024: female cachinnans. |
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partner 2 | April 23rd, 2024: male cachinnans. | April 23rd, 2024: male cachinnans. | April 23rd, 2024: male cachinnans. |
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April 23rd, 2024: male cachinnans. | . | . | |
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pullus | November 29th, 2023: fledged r[7.U]. | June 25th, 2023: fledged g[7|V]. | . |
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pullus | June 18th, 2024: chick g-A|=. | May 7th, 2024: chick g-B|A. | May 7th, 2024: chick g-B|B. |
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Data for nest 251-2023:
egg sizes & volume 2023 | ||||||||||||
SPECIES | NEST | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | known parents? |
cach x cach | 251-2023 | 70,7 | 50 | 88,99 | 68,1 | 51,4 | 90,59 | 67,7 | 49,1 | 82,18 | 261,76 | was 12-2022??? |
ring pulli: May 10 | laying A egg: April 05 | hatch A egg: May 03 | ||||||||||
catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
Pullus | 11-5-2023 | 5.625.193 | r-7.U | 315 | 75.0 | 75.0 | two other chicks? Chicks not found | |||||
Pullus | 18-5-2023 | 5.556.411 | g-7|V | 490 | 86,3 | 86,3 | ||||||
Pullus | 18-5-2023 | 5.625.193 | r-7U | not measured, but was present. | ||||||||
Pullus | 27-5-2023 | 5.625.193 | r-7U | 896 | ||||||||
Pullus | 18-6-2023 | 5.625.193 | r-7U | |||||||||
Pullus | 18-6-2023 | 5.556.411 | g-7|V |
251-2023 | nest "White Buoy". | ||
dam: | dam 2 west | ||
location: | 1 mtr N blue sign VHF20, 2 mtr behind of white buoy. Could be parents nest 12-2020/2022. Parents guarding from VHF20? | ||
breeders: | cach x cach | ||
OBSERVATIONS: | |||
09-4-2023 | nest: | 3 eggs measured. Watertest C-egg: 35 - tip bottom | |
27-4-2023 | adult: | breeding adult cach. | |
11-5-2023 | pulli: | 1 chick ringed r-7U, 2 more chicks? | |
18-5-2023 | pulli: | 2 chicks present. 1 ringed (R-7U), other unringed. The unringed one is now ringed today g-7|V. | |
27-5-2023 | pulli: | 1x chick measured, r-7U. | |
18-6-2023 | pulli: | g-7|V and r-7U together. | |
25-6-2023 | pulli: | G-7|V and r-7U together: 2 chicks fledged from this nest. |
Visits and data 2024.
NEST code | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | |
70,7 | 50,7 | 91,50 | 69 | 51 | 90,36 | 69,3 | 47,3 | 78,06 | 259,93 | ||||
251-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
3 | 17-4-2024 | 15-5-2024 | |||||||||||
dam: | dam 2 west | ||||||||||||
location: | Ariel / white Buoy, 4 mtr north of Blue sign | ||||||||||||
parents? | Same as 2023? | ||||||||||||
ring pulli: | 20-May | ||||||||||||
date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
07-05-2024 | g-A|= | 5.631.244 | 251 Ariel | PONT | 1CY | 71 | |||||||
07-05-2024 | g-B|A | 5.631.245 | 251 Ariel | PONT | 1CY | 81 | |||||||
07-05-2024 | g-B|B | 5.631.246 | 251 Ariel | PONT | 1CY | 82 | |||||||
OBSERVATIONS: | |||||||||||||
21-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
02-05-2024 | eggs: | 3 eggs. | |||||||||||
07-05-2024 | chicks: | 3x ringed. | |||||||||||
18-06-2024 | chick: | CONTROLL: g-B|B and g-A|= at water. | |||||||||||