hybrids in mixed colonies in central and western Europe

(last update: May 21, 2021)

Coordinators:
Jeroen Nagtegaal

Yellow-legged Gull michahellis -- / HH adult, May 11 2021, Stevol eiland, the Netherlands. Picture: Jeroen Nagtegaal ringing team.

Date: May 11 2021
Location: 51°07'12.3"N 5°51'04.6"E
Condition: bird not trapped before
Species: michahellis
Metal: NLA 6.206.222
Colour Ring: B/Y-HH
Sex: >4CY male
Wing: 463 mm
Head + Bill: 136,5 mm
Bill Height: 21,2 mm
Body Mass: 1258 gr
Partner: B/Y-CY F1 hybrid michahellis x argentatus