Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
Home
Project Info
International trend
National trend
Site characteristics
Breeding biology
Fecundity
Food resources
Nonbreeding season
Breeding species
Hybrid scores
Ring codes
Future |
Caspian Gull cachinnans 8.A 1CY, May - September 2023, Spain & the Netherlands. Picture: Thijs Horst, Mars Muusse, Gorka Valdés.
Tibia ring R-8|A and metal NLA 5.556.482, ringed as pullus Larus cachinnans on May 11 2023 in nest 131 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
11-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
08-07-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
03-09-2023 Bay of Biscay (Offshore), Bizkaia, SPANJE 4.334,00 N 428,00 W colourring read Gorka Valdés
03-09-2023 Lekeitio (Strand), Bizkaia, SPANJE 4.322,00 N 230,00 W colourring read Amaia Alzaga
23-11-2023 Sonzay (Vuilstort), Indre-et-Loire, FRANKRIJK 4.730,00 N 28,00 E colourring read Benjamin Griard
27-12-2023 La Ferté-Bernard, Sarthe, FRANKRIJK 4.809,00 N 38,00 E colourring read Vincent Le Brun
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 ? |
131-2023 |
69 |
47,1 |
77,07 |
68,5 |
49,4 |
84,17 |
67,4 |
46,7 |
74,01 |
235,25 |
same as 2022? |
|
|
|
|
|
|
|
|
|
|
|
|
|
ring pulli: |
|
laying A egg: |
hatch A egg |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
catch: |
date: |
metal: |
darvic: |
mass: |
wing: |
head+bill: |
|
|
|
|
|
pullus |
11-5-2023 |
5556480 |
r-8M |
|
nest with 3 chicks, between micha-nest and nest 'branch with 2 stripes'. Halfway blocks, on top of dam. |
|
|
|
|
|
|
|
|
|
|
|
|
|
pullus |
11-5-2023 |
5556482 |
r-8A |
|
|
|
|
|
|
|
|
|
pullus |
11-5-2023 |
5556481 |
r-8B |
|
|
|
|
|
|
|
|
|
pullus |
18-6-2023 |
|
r-8M |
|
|
|
pullus |
18-6-2023 |
|
r-8B |
|
|
together with r-8A, dam 1 blocks east (branch with 2 stripes after all?) |
pullus |
18-6-2023 |
|
r-8A |
|
|
together with r-8B, dam 1 blocks east (branch with 2 stripes after all?) |
|
|
|
|
|
131-2023 |
|
|
|
|
dam: |
dam 1 blokken |
|
|
location: |
is nest 131-2022? 8 m east of PU60. |
breeders: |
cach x ? |
|
|
|
OBSERVATIONS: |
|
|
|
26-4-2023 |
eggs: |
3x egg, measured. No water test. |
11-5-2023 |
pullus: |
3 chicks ringed here: r-8A, r-8B & r-8M. Uncertainty about adults, about nest, and uncertainty about ID. |
27-5-2023 |
nest: |
The branch with 2 stripes taken away, and placed vertically at (new nest) 26. |
18-6-2023 |
pullus: |
r-8M, r-8A & r-8B present together. With adult cachinnans parent. |
25-6-2023 |
pullus: |
r-8M, r-8A & r-8B present together. |
below: Caspian Gull cachinnans 8.A 1CY, September 03 2023, Bay of Biscay (offshore), Spain. Picture: Gorka Valdés.

below: Caspian Gull cachinnans 8.A 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans 8.A 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.




below: Caspian Gull cachinnans 8.A 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.


below: Caspian Gull cachinnans 8.A 1CY, May 11 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.

|