Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 0.05 adult, 2023-2025, Almere & De Kreupel, the Netherlands. Picture: Thijs Horst & Leon Kelder.
Tarsus ring y-0.05 and no logger, ringed as breeding adult Larus cachinnans on April 22 2023 at De Kreupel - nest M5, Holland (5247.00 N 513.00 E). Ringer Kees Camphuysen & Leon Kelder.
Recoveries:
| Year | Mm | Dd | Location | Observer | NOTES | ||
| 2023 | 4 | 22 | De Kreupel eiland M | NL | C.J. | Camphuysen | Nest M5 13:20-14:18, HPAIV swab, blood, moult, ringed, GPS attached but stressed , GPS removed and flew away ok |
| 2023 | 4 | 22 | De Kreupel eiland M | NL | C.J. | Camphuysen | Released after attachment failure, probably returned to nest site |
| 2023 | 4 | 23 | De Kreupel eiland Q | NL | Camera | Trap observation | Photo provided, nest M5, Geel 0.05 met ongeringde partner |
| 2023 | 4 | 24 | De Kreupel eiland M | NL | Camera | Trap observation | Photo provided, nest M5, Geel 0.05 met ongeringde partner |
| 2023 | 8 | 10 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | Photo provided, evidently unwell, trembling wings |
| 2024 | 1 | 16 | De Vaart, vuilverwerking, Almere | NL | Mars | Muusse | Photo provided, met Thijs Horst |
| 2024 | 4 | 27 | De Kreupel eiland M | NL | Camera | Trap observation | Photo provided, attending full clutch 2024 M3 with unringed male bird |
| 2024 | 4 | 30 | De Kreupel eiland M | NL | Camera | Trap observation | Photo provided, attending full clutch 2024 M3 with unringed male bird |
| 2024 | 7 | 19 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | No further remarks |
| 2024 | 7 | 30 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | No further remarks |
| 2024 | 8 | 5 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | No further remarks |
| 2025 | 4 | 8 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | Gelokt met brood, geen plaats |
| 2025 | 7 | 18 | De Kreupel (noordelijk IJsselmeer, gem. Andijk) | NL | Thijs | Horst | Gelokt met brood, geen plaats |
| 2025 | 12 | 9 | Eteignières landfill area (Ardennes, France) | F | Philippe | Deflorenne | Photo provided, at dump with multiple Caspian Gulls |
| 2026 | 2 | 20 | De Vaart, vuilverwerking, Almere | NL | Thijs | Horst | op een van de bulten van De Vaart in Almere, niet zien foerageren |
In 2023:
Nest is M5, partner is unringed adult Larus cachinnans.
Offspring are: g-0|9, g-0|A & g-0|B.
below: Caspian Gull cachinnans 0.05 adult, July 18 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 0.05 adult & K.+ 5CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 0.05 adult, August 05 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 0.05 adult, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 0.05 adult, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 0.05 adult, January 16 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 0.05 adult, August 10 2023, De Kreupel, the Netherlands. Picture: Thijs Horst.
Bird looked terribly ill today. But she made it, as we observed it half a year later again at a small landfill.
below: Caspian Gull cachinnans 0.05 adult, April 23-24 2023, De Kreupel - M, the Netherlands. Picture: Leon Kelder - camera trap.
