Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8|8 1CY-3CY, June 2023 - April 2025, Lelystad & Almere, the Netherlands. Picture: Eric Roeland, Thijs Horst & Mars Muusse.
Tibia G-8|8 and metal NLA 5.625.262, ringed as pullus Larus cachinnans on May 27 2023 in nest 252 at Lelystad, the Netherlands (5230.00 N 525.00 E). Ringer Merijn Loeve / Roland-Jan Buijs ringing team.
Recoveries:
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
09-08-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
07-10-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
15-11-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
03-01-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse
20-03-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
01-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
| 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: |
| cach x cach | 252-2023 | 73,5 | 48,1 | 85,62 | 74 | 49,2 | 90,19 | 70,5 | 49 | 85,23 | 261,04 |
| ring pulli: May 12 | laying A egg: April 07 | hatch A egg: May 05 | |||||||||
| catch: | date: | metal: | darvic: | ||||||||
| pullus | 11-5-2023 | 5.556.457 | r-7.9 | few days old | |||||||
| pullus | 11-5-2023 | 5.556.458 | r-7.+ | few days old | |||||||
| pullus | 18-5-2023 | mass: | head+bill: | nothing present | |||||||
| pullus | 27-5-2023 | 5.625.262 | g-8|8 | 577 | 262 | ||||||
| 252-2023 | Nest "dustbin" (Vuilnisbakkie) | ||
| dam: | dam 2 central | ||
| location: | 2 mtr W of nest 18 "nest with blue rope". Black plastic sprayed with white + sign. | ||
| breeders: | cach x cach | ||
| OBSERVATIONS: | |||
| 09-04-2023 | nest: | 2 eggs measured. No watertest. | |
| 26-04-2023 | nest: | 3 eggs. Measured. | |
| 27-04-2023 | adult: | adult female cach & 5/6CY male cach | |
| 11-05-2023 | pulli: | 2 chicks ringed, other chick? | |
| 13-05-2023 | adult: | ||
| 18-05-2023 | pulli: | Nest empty, no chicks found | |
| 27-05-2023 | pulli: | 1x extra pullus ringed and measured. | |
| 25-06-2023 | pulli: | G-8|8 present. | |
below: Caspian Gull cachinnans 8|8 3CY, April 01 2025, colony Lelystad, the Netherlands. Picture: Mars Muusse.
below: Caspian Gull cachinnans 8|8 3CY, March 21 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 8|8 3CY, January 03 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 8|8 2CY, November 15 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 8|8 1CY, October 07 2023, Almere - De Vaart, the Netherlands. Picture: Eric Roeland.
below: Caspian Gull cachinnans 8|8 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8|8 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
