Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse
Caspian Gull cachinnans 7|A 1CY, May - August 2023, Lelystad & Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring G-7|A and metal NLA 5.556.493, ringed as pullus Larus cachinnans on May 11 2023 in nest n-F|6 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
18-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
27-05-2023 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
29-07-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
30-07-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
08-08-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
| 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 cach | n-F|6 | 0 | 0 | 0,00 | 0 | 0 | 0,00 | 0 | 0 | 0,00 | 0,00 | new nest |
| ring pulli: -- | laying A egg: -- | hatch A egg: -- | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| Pullus | 18-05-2023 | 5.556.492 | R-86 | 174 | -- | 65,2 | ||||||
| Pullus | 18-05-2023 | 5.556.493 | G-7|A | 139 | -- | 61 | ||||||
| Pullus | 18-05-2023 | 5.556.494 | G-7|B | 205 | -- | 67 | ||||||
| Pullus | 27-05-2023 | 5.556.492 | r-86 | 466 | -- | -- | ||||||
| Pullus | 27-05-2023 | 5.556.493 | g-7|A | 452 | -- | -- | ||||||
| Pullus | 27-05-2023 | 5.556.494 | g-7|B | 599 | -- | -- | ||||||
| Pullus | 25-06-2023 | 5.556.493 | g-7|A | 1137 | 341 | 124,4 | ||||||
| n-F|6 | |||
| dam: | dam 1 T-split. | ||
| location: | On east side of T, between Spoonbills, at start of section. | ||
| breeders: | cach x cach | ||
| OBSERVATIONS: | |||
| 04-04-2023 | adult: | n-F|6 on bread at multiple locations in colony. | |
| 05-04-2023 | adult: | n-F|6 on bread at multiple locations in colony. | |
| 09-04-2023 | adult: | n-F|6: bird landed here, after feeding on bread. Between dense trees. | |
| 11-05-2023 | nest: | nest found among spoonbills on T-junction dam 1 halfway up. Near water red arrow, and red dot near nest. | |
| 1 small chick, not ringed. 2 eggs. | |||
| 13-05-2023 | adult: | n[F|6] & partner present. | |
| 18-05-2023 | pulli: | 3 chicks ringed. | |
| 18-06-2023 | adult: | n-F|6 sub-ad + partner with 3x chicks on blocks westside T-split. | |
| 25-06-2023 | pulli: | 3x chicks + n-F|6 present, g-7|A caught and measured. | |
| 08-07-2023 | adult: | n-F|6 found dead, <7 days, at T-split dam 1, 30 mtrs from territory. (victim storm Poly?) | |
below: Caspian Gull cachinnans 7|A 1CY, August 08 2023, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 7|A 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7|A 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 7|A 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7|A 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
