Black-headed Gull
Chroicocephalus ridibundus*
 (L 16" WS 40" 9 oz)
Copenhagen
04Jun2010
Rare in the US...a noisy bird...its scien-
tific name ‘ridibundus’ means ‘laughing’.
Norsminde
04Jun2010
Head is chocolate brown.
*previously Larus
ridibundus
Aarhus
03Oct2007
1st winter