Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Leon Kelder
Mars Muusse
Home
Project Info
Location Lelystad
Location De Kreupel
2019 Lelystad
2020 Lelystad
2021 Lelystad
Coded nests Lelystad
2020 De Kreupel
2021 De Kreupel
Coded nests De Kreupel
All ring codes 2020
All ring codes 2021
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
|
Cachinnans - nest De Kreupel KE 21
General remarks:
- Eggs: Volume measured by Stonehouse (1964) and Spaans & Spaans (1975), which make comparison possible with data from Texel (Camphuysen pers comm 16.04.2020).
- Nest on island "L". Nest coded "L03" in season 2021, but renamed after trapping adult, now coded as ring code.
partner 1: |
April 23rd, 2021: Caspian Gull cachinnans hybrid r-K.E (more images). |
|
 |
 |
 |
Visits and data.
Date: |
details: |
|
|
|
|
|
|
|
|
|
|
|
|
23-4-2021 |
3 eggs in nest. |
egg no: |
width (mm): |
length (mm): |
volume (cm3): |
|
|
|
A egg |
47.7 |
68.4 |
|
|
|
|
B egg |
49.3 |
72.4 |
|
|
|
|
C egg |
48.2 |
67.9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Attempt to trap breeding adult. Adult trapped. |
metal: |
tibia: |
wing: |
head + bill: |
bill: |
|
Adult male Herring x Caspian Gull hybrid type. |
NLA 6.211.440 |
Red-K.E |
448.0 |
119.2 |
54.5 |
|
|
mass: |
moult score: |
bill height: |
grey scale: |
Swob: |
|
|
840 |
10x0 |
17.3 |
7 |
1081 |
|
|
|
|
|
|
|
14-5-2021 |
No trace of pulli, nest is empty. |
|
|
|
|
|
|
|
|
|
|
|
|
20-5-2021 |
No trace of pulli, nest is empty. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|