Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8.R 1CY, June - August 2023, England & the Netherlands. Picture: Richard Bonser, Thijs Horst & Mars Muusse.
Tibia ring R-8.R and metal NLA 5.556.463, ringed as pullus Larus cachinnans on May 11 2023 in nest 17B 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
30-07-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Andy Hale
01-08-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Richard Bonser
02-08-2023 Cromer (Strand), Norfolk, ENGELAND 5.255,00 N 118,00 E colourring read Richard Bonser
| 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 | 17B-2023 | 67,8 | 50,4 | 86,71 | 69,2 | 48,5 | 81,96 | 68 | 51,3 | 90,10 | 258,78 | same as 2022 |
| ring pulli: 10-mei | laying A egg: 5-apr | hatch A egg: 3-mei | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| Pullus | 11-5-2023 | NLA 5556462 | r-8.G | -- | -- | -- | ||||||
| Pullus | 11-5-2023 | NLA 5556463 | r-8.R | -- | -- | -- | ||||||
| Pullus | 27-5-2023 | NLA 5556462 | r-8.G | dead >7 days ago | ||||||||
| Pullus | 18-6-2023 | NLA 5556463 | r-8.R | 1133 | 356 | 131,9 | ||||||
| 17B-2023 | ||
| dam: | dam 2 central | |
| location: | on S-side "17B" coded on block, path to top of dam, in Blackberry complex. | |
| breeders: | cach x cach | |
| OBSERVATIONS: | ||
| 04-04-2023 | adult: | 2 cach present. |
| 09-04-2023 | adult: | 2 cach present. |
| nest: | Nest with 3 eggs. No watertest, ring chicks in 1st session. | |
| 26-04-2023 | adult: | 1 cach present. |
| nest: | 3 eggs. Not measured. | |
| 11-05-2023 | pulli: | 2 chicks ringed, is there a 3rd chick? |
| 13-05-2023 | adult: | pair present, same as 2022. Female spot on P10. Male dark eye. |
| 18-05-2023 | nest: | nest empty, no chicks found. |
| 27-05-2023 | pulli: | dead chick near nest: r-8G. |
| 18-06-2023 | nest: | no birds present. R-8R trapped in water with net & measured. Fledged: 1 chick. |
| 25-06-2023 | pulli: | r-8R present. |
below: Caspian Gull cachinnans 8.R 1CY, August 02 2023, Cromer - Norfolk, England. Picture: Richard Bonser.
below: Caspian Gull cachinnans 8.R 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.R 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.R 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
