Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20
Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21
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Caspian Gull cachinnans 7.E 1CY, May - June 2022, Lelystad, the Netherlands. Picture: Mars Muusse.
Red tibia ring r[7.E] and metal NLA 5.625.117, ringed as pullus Larus cachinnans at nest 26 on May 17 2022 in colony Lelystad, the Netherlands. Ringer: Albert de Jong (Roland-Jan Buijs ringing team).
ID certain, both parents are Caspian Gull cachinnans.
Recoveries:
30-05-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E captured by ringer Albert de Jong
04-07-2024 Sint Maartenszee (Strand), Noord-Holland, NL 5.247,00 N 440,00 E colourring read Ruud Costers
Visits and data 2022 for nest 26:
Estimation egg laying: A-egg = April 15 2022. Estimating hatching = May 13 2022.
date: |
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egg no: |
width (mm): |
length (mm): |
volume (cm3): |
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15-04-2022 |
A |
48,7 |
72,0 |
-- |
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1 egg. |
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sub-adult Caspian near nest. |
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19-04-2022 |
sub-adult Caspian near nest. |
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egg no: |
3 eggs. |
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27-04-2022 |
A |
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tip bottom - 90 |
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B |
49,6 |
70,2 |
tip bottom - 70 |
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C |
50,0 |
72,5 |
tip bottom - 90 |
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metal |
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17-05-2022 |
pullus |
5625117 |
2 days old. |
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pullus |
5625118 |
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1x egg: infertile. |
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metal |
colour |
mass |
wing |
head + bill |
Bill |
30-05-2022 |
pullus |
5625117 |
r-7.E |
612 |
126 |
95,7 |
38,1 |
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pullus |
5625118 |
r-7.F |
522 |
96 |
88,2 |
36,6 |
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1x egg: infertile. |
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02-06-2022 |
r7E & r7F present. |
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17-06-2022 |
r7E & r7F present. |
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21-06-2022 |
r7E & r7F present |
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28-06-2022 |
r7E & r7F present |
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12-07-2022 |
r7E & r7F present |
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Male cachinnans 4CY & female cachinnans. |
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below: Caspian Gull cachinnans 7.E 1CY, May 30 2022, Lelystad, the Netherlands. Picture: Mars Muusse.
r[7.E] cachinnans from nest 26. Picture: May 30th, 2022.
Fledged. Sibling r[7.F] also fledged. 3rd egg infertile.
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