Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Leon Kelder
Mars Muusse
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Project Info
Location Lelystad
Location De Kreupel
2020 Lelystad
2020 De Kreupel
Coded nests Lelystad
Coded nests De Kreupel
All ring codes 2020
Nest locations
nest 001
nest 002 yPNED
nest 003
nest 005 yPLDP
nest 006 yPESV
nest 008 gXLDT
nest 009
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016
nest 017
nest 018
nest 021
nest 025
nest 027
nest 028
nest 029
nest 031
nest 032
nest 033
nest 034
nest 035
nest 036
nest 037
nest 038
nest 039
pair A
pair B |
Cachinnans - nest Lelystad 068
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 068 positioned at breakwater 1, centre of large blocks east of T split. Parents has look-out with loads of shit.
- ID certain, both are Caspian Gull cachinnans, female is 4CY Caspian Gull y[P:U60], male is large bird.
location |
March 24 2021: 2 partners at dam 1. |
March 30 2021: 2 partners at Almere waste dump (17 km's distance from colony). |
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partner 1 |
March 24 2021: y-P:U60 female cachinnans. |
May 15 2021: y-P:U60 female cachinnans. |
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June 08 2021: y-P:U60 female cachinnans. |
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Visits and data.
date: |
egg no: |
width (mm) |
length (mm) |
volume (cm3): |
water test on May 7th: |
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06-05-2021 |
A |
50,1 |
73,3 |
91,34 |
90 - tip at bottom. |
2 eggs in the nest, one partner is y[P:u60] 4CY cachinnans. |
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B |
49,2 |
70,9 |
92,28 |
90 - floating halfway. |
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sum nest: |
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13-05-2021 |
No visit, Camilla is trapping a spoonbill. |
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15-05-2021 |
2 eggs, still complete. y[P:U60] and partner is large Caspian Gull male. |
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285-05-2021 |
nest is empty. y[P:U60] and partner both alarming. Chicks not found between all those blocks. |
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08-06-2021 |
No activity visible from south side. Later, from north side y[P:U60] flying around. |
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