Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 7.W 1CY-3CY, May 2023 - March 2025, Lelystad & Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-7W and metal NLA 5.625.194, ringed as pullus Larus cachinnans on May 11 2023 in nest 206 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
15-07-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
01-11-2023 IJmuiden (Forteiland), Noord-Holland, NL 5.228,00 N 434,00 E colourring read Fred Cottaar
14-01-2024 Balgoij (Loonse Waard), Gelderland, NL 5.147,00 N 541,00 E colourring read Tim Raats
02-02-2024 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Jaap van der Linden
21-02-2024 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Tim Raats
30-03-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Harry Kuipers & Thijs Horst
11-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
15-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
16-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
24-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
22-11-2024 Oss (Vuiloverslag), Noord-Brabant, NL 5.147,00 N 532,00 E colourring read Jaap van der Linden
16-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
05-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
29-06-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Peter van Horssen
26-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Thijs Horst
Visits and data for 2023
| 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 | 206 | 71,3 | 50,5 | 91,55 | 67,3 | 51,3 | 89,18 | 67 | 48,8 | 80,34 | 261,07 | one is same as 2022 |
| ring pulli: May 10 | laying A egg: April 05 | hatch A egg: May 03 | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | bill: | gonys: | greytone: | |||
| Pullus | 11-5-2023 | NLA5625194 | r 7.W | |||||||||
| Pullus | 11-5-2023 | NLA5625195 | r 7.X | |||||||||
| Pullus | 18-6-2023 | r-7X | ||||||||||
| Pullus | 18-6-2023 | r-7W | ||||||||||
| 206 | (was X56A) | |
| dam: | dam 2 west | |
| location: | 8 mtr W of blue sign VHF20, south side, on blocks | |
| breeders: | cach x cach | |
| OBSERVATIONS: | ||
| 26-4-2023 | nest: | 3 eggs. |
| 27-4-2023 | y-X56A is NOT the parent (27/4 confirmed). | |
| 27-4-2023 | 3 eggs measured. Watertest C-egg: 20 - tip bottom | |
| 11-5-2023 | pull: | 2 kuikens geringd, 3e kuiken? |
| 11-5-2023 | r-7X: baars en voorn uitgebraakt | |
| 18-5-2023 | nest: | nest empty, no chicks found |
| 27-mei | nest: | nest empty, no chicks found |
| 18-6-2023 | pull: | r-7X & r-7W present, 2 birds fledged. |
| 25-6-2023 | pull: | r-7X and r-7W present, 2 birds fledged. |
below: Caspian Gull cachinnans 7.W 3CY, March 16 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans 7.W 2CY, March 30 2024, Almere, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 7.W 1CY, July 15 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.W 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.W 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: with r-7.X (in background).
below: Caspian Gull cachinnans 7.W 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.W 1CY, May 11 2023, Lelystad colony, the Netherlands. Picture: Albert de Jong.
Ringed in nest 206, together with r-7.X.
