Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans M|2 adult, 2025, Almere & Lelystad, the Netherlands. Picture Mars Muusse & Thijs Horst.
| You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |
Tibia G-M|2 and metal NLA 5.641.003, ringed as breeding adult Larus cachinnans on April 23 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Recoveries:
=
Data for this nest in 2025:
| 2025 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST:
|
# eggs | |
| PLDP & g-M|2 | cach | cach | 70,7 | 47,6 | 70,5 | 48,1 | 70 | 50,3 | 3 | |||||
| dam: | dam 1 blocks
|
|||||||||||||
| location: | blocks west part, red flag placed: nest is 2 mtr W,
|
|||||||||||||
| parents: | returned, after 3 years.
|
|||||||||||||
| rings: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | |
| 23-04-2025 | g-M|2 | 5,641,003 | Nest PLDP | cach | F | >4CY | 442 | 953 | 122 | 56,7 | 62,7 | 18 | 6 | Fred Cottaar |
| 13-05 | g-T|K | 5641080 | PLDP | PONT | pullus | 350 | ||||||||
| 13-05 | g-T|L | 5641081 | PLDP | PONT | pullus | 409 | ||||||||
| 13-05 | g-T|M | 5641082 | PLDP | PONT | pullus | 590 | ||||||||
| 14-06 | G-T|K | PONT | pullus | 766 | ||||||||||
OBSERVATIONS:
|
||||||||||||||
| 16-03 | nest | PLDP again in colony! Blocks dam 1, most western (between nest 53 - nest 22 black shoe),
|
||||||||||||
| 21-03 | nest | PLDP present same location as 16-3-2025
|
||||||||||||
| 04-04 | nest | PLDP present, on small part of blocks dam 1, on top of dam
|
||||||||||||
| 21-04 | nest | PLDP present
|
||||||||||||
| 23-04 | eggs | 3 eggs, measured,
|
||||||||||||
| adult | trapped female, now g-M|2, incubating 3 eggs at PLDP,
|
|||||||||||||
| 28-04 | eggs | 1 egg hatching
|
||||||||||||
| 01-05 | adult | 2x present
|
||||||||||||
| 05-05 | chick | 3x chicks present
|
||||||||||||
| 08-05 | adult | both partners present
|
||||||||||||
| 13-05 | chicks | 3x chicks ringed
|
||||||||||||
| food | T|K fish bolus, T|M zwartbekgrondel
|
|||||||||||||
| 16-05 | chick | g-T|K found and measured
|
||||||||||||
below: Caspian Gull cachinnans M|2 adult, June 10 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans M|2 adult, May 31 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Female gM|2 and 14CY male partner y-PLDP.
.JPG)
.JPG)
below: Partner PLDP.
.JPG)
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | barcode | greyscale | comments |
| 23-4-2025 | G-M|2 | .5641003 | PLDP | PONT | F | >4CY | 442 | 953 | 122 | 56,7 | 62,7 | 18 | ACA25-9179 | 6 | Trapped by ringer. Breeder on 3 eggs. |