Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
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Herring Gull argenteus (hybrid) 0.V 2CY-4CY, 2023-2025, the Netherlands. Picture: Eric Roeland & Thijs Horst & Mars Muusse.
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Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |
Tibia R-0V and metal NLA 5.620.236, ringed as pullus Larus cachinnans (and hybrids of that kind) on May 13 2022 at De Kreupel, Holland (5247.00 N 513.00 E).
Ringer Leon Kelder.
Recoveries:
02-10-2022 Egmond aan Zee (Strand), Noord-Holland, NL 5.237,00 N 437,00 E colourring read Aad van der Ent
03-03-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
18-04-2023 Onderdijk (Vooroever), Noord-Holland, NL 5.244,00 N 508,00 E colourring read Leon Kelder
01-11-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
10-11-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
17-11-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
16-12-2023 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Eric Roeland
20-02-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse
16-03-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Jeroen van Assema
24-06-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
21-10-2024 Velsen (Strand Noordpier), Noord-Holland, NL 5.228,00 N 433,00 E colourring read Thijs Horst
15-11-2024 Voorthuizen (Zeumeren), Gelderland, NL 5.210,00 N 535,00 E colourring read Brigitta Unkel
08-04-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
Data for this nest 2022
Bird from De Kreupel, nest C5 on island C. Parent is r-0A.
Date: |
Egg code |
Height (mm) |
Width (mm) |
Comments |
Metal NLA |
Colour ring |
Wing (mm) |
Head+ bill (mm) |
Bill |
Mass (gr) |
Tarsus |
Gonys |
Swab no |
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14-4-2022 |
A-egg |
72.7 |
51.8 |
2 eggs |
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B-egg |
74.1 |
52.8 |
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29-4-2022 |
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Adult trapped Caspian x Herring |
6214033 |
Red 0.A |
441 |
123.5 |
57.5 |
933 |
71.4 |
17.8 |
1064 |
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13-5-2022 |
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3 pulli in nest |
5620234 |
Red 0.T |
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55.0 |
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98 |
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5620235 |
Red 0.U |
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55.1 |
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101 |
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5620236 |
Red 0.V |
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50.9 |
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70 |
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below: Herring Gull argenteus (hybrid) 0.V 4CY, April 08 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Note yellow orbital ring.
.JPG)
.JPG)
.JPG)


below: Herring Gull argenteus (hybrid) 0.V 3CY, October 21 2024, Oostvaardersdijk - Almere, the Netherlands. Picture: Thijs Horst.

below: Herring Gull argenteus (hybrid) 0.V 2CY, March 03 2023, Almere - De Vaart, the Netherlands. Picture: Eric Roeland.
Phenotycis of Herring Gull, but may be F2-hybrid offspring of Herring Gull x caspian gull.

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