Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
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
Lelystad 2020:
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
Lelystad 2021
nest y-PNED
nest y-PLDP
nest y-PHSV
nest y-P:A02
nest y-P:U60
nest zy-MT
nest r-FB
nest r-FC
nest 001
nest 003
nest 006
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016B
nest 017
nest 018
nest 019
nest 021
nest 034
nest 035
nest 038
nest 040
nest 041
nest 042
nest 044
nest 045
nest 046
nest 047
nest 048
nest 053
nest 055
nest 056
nest 058
nest 060
nest 062
nest 063
nest 065
nest 066
nest 067
nest 072 |
Caspian Gull cachinnans (hybrid) F|= 1CY-3CY, May 2021 - April 2023, the Netherlands & U.K.
Tibia B-F|= and metal NLA Arnhem 5.559.425, ringed as pullus Larus cachinnans on May 28 2021 at Lelystad (Bataviahaven), Holland (5230.00 N 525.00 E) - ringer Roland-Jan Buijs.
Pullus which may belong to Caspian Gull cachinnans nest 53, but uncertain (may belong to adjacent LBBG nest).
Brother/sister is r-F.A.
Recoveries:
19-12-2021 Netherfield (Vuiloverslag), Nottinghamshire, ENGELAND 5.257,00 N 103,00 W colourring read Miles Cluff
30-06-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
16-09-2022 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
19-09-2022 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Stefan van Schaik
02-11-2022 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
04-11-2022 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Jaap van der Linden
04-11-2022 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
02-12-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
04-12-2022 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
27-12-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Guus van Duin
30-12-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
06-01-2023 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
08-01-2023 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
10-02-2023 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
12-02-2023 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Rene Oosterhuis
25-02-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
29-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read August van Steensel
31-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
04-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Mars Muusse
07-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
16-04-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
Visits and data for nest 53-2021.
date: |
|
|
|
|
|
|
16-04-2021 |
Nest checked. 3 eggs. |
|
egg no: |
width (mm): |
length (mm): |
volume (cm3): |
water test on April 24th: |
laying date: |
|
A |
49,2 |
70 |
85,32 |
30 - tip bottom |
|
|
B |
50,6 |
67,1 |
86,50 |
15 - tip bottom |
|
|
C |
50,3 |
70,1 |
89,30 |
35 - tip bottom |
|
|
|
|
sum nest: |
261,12 |
|
|
|
|
|
|
|
|
|
|
|
24-04-2021 |
Michahellis present. |
|
|
26-04-2021 |
Michahellis present, but is this the exact location of nest 53? Flag has fallen down. |
|
|
06-05-2021 |
2 cachinnans at this location, but flag has fallen down, no exact position determined from water. |
|
|
13-05-2021 |
No visit, Camilla is trapping a Spoonbill. |
|
|
|
15-05-2021 |
3 eggs in nest near flag, with brownish pattern, resembling LBBG-eggs. Was this measured on May 6th? 1,5 meters east another nest, 2 bluish eggs, more like cachinnans. |
|
Landing adult cachinnans at this nest photographed; LBBG near flag 53 photographed. |
|
|
|
|
28-05-2021 |
Two pulli ringed. |
|
|
|
metal ring |
darvic ring |
head + bill |
age |
|
|
pullus |
.5559425 |
b-F|= |
52,8 |
age: 2 / 3 days old |
|
|
pullus |
.5559426 |
r-F.A |
50,8 |
age: 2 / 3 days old |
|
|
egg: just hatching. |
|
|
|
|
8-6-2021 |
No visit. |
|
|
|
|
|
|
|
|
below: Hybrid Caspian Gull cachinnans x Herring Gull argenteus F|= 3CY, April 04 2023, Almere, the Netherlands. Picture: Mars Muusse & Thijs Horst.

below: Hybrid Caspian Gull cachinnans x Herring Gull argenteus F|= 3CY, February 12 2023, Almere, the Netherlands. Picture: Rene Oosterhuis.

below: Hybrid Caspian Gull cachinnans x Herring Gull argenteus F|= 2CY, December 02 2022, Almere, the Netherlands. Picture: Eric Roeland.


below: Hybrid Caspian Gull cachinnans x Herring Gull argenteus F|= 2CY, June 30 2022, Almere, the Netherlands. Picture: Thijs Horst.

below: Hybrid Caspian Gull cachinnans F|= 1CY, December 19 2021, Netherfield - Nottinghamshire, U.K. Picture: Miles Cluff.
Pro cachinnans are the nice dark outer webs on inner primaries, the dark centred outer GC, and pale tipped tertials.
However, coarsely marked head and bold anchor patterns on 2nd gen scaps are more in line with argentatus.






below: Hybrid Caspian Gull cachinnans F|= 1CY, May 28 2021, Lelystad, the Netherlands. Picture: Albert de Jong, Roland-Jan Buijs & Mars Muusse.
Rather dark brown chick.

|