glaucoides & kumlieni

(last update: October 12, 2011)

Coordinators:
Dave Brown (Canada)
Bruce Mactavish (Canada)
Chris Gibbins (Scotland)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)

Iceland & Kumlien's Gull sub-adult January - April

 

pale end birds in Europe, classic glaucoides

Iceland Gull (glaucoides) 4cy, February 05 2012, Texel, the Netherlands. Pictures: René Pop & Jos van de Berg.
Iceland Gull (glaucoides) 4cy, January 14 - February 20 2012, Hoek van Holland, the Netherlands. Pictures: Peter Soer, Herman Bouman & Theo Muusse.
Iceland Gull (glaucoides) sub-adult, February 05 2012, Peterhead, Scotland. Pictures: Chris Gibbins. Iris: class 1 (0%>1% speckling).
Iceland Gull (glaucoides) 4cy, January 28 2012, Katwijk, the Netherlands. Pictures: Rene van Rossum.
Iceland Gull (glaucoides) 4cy, January 28 2012, Petten, the Netherlands. Pictures: Koos Bakker.
Iceland Gull (glaucoides) 4cy, January 07 2012, Petten, the Netherlands. Pictures: Ruud Brouwer.
Iceland Gull (glaucoides) 4cy, January 22 2012, Fraserburgh, Scotland. Picture: Chris Gibbins.
Iceland Gull (glaucoides) 4cy, February 05 2012, Peterhead, Scotland. Picture: Chris Gibbins.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy / 5cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland Gull (glaucoides) 4cy/5cy, February 23 2012, Kruiningen, the Netherlands. Pictures: Pim Wolf.
Iceland Gull (glaucoides) 4cy, January 21 - February 19 2012, Brouwersdam, the Netherlands. Pictures: Pim Wolf, Theo Muusse & Luuk Punt.
Iceland Gull (glaucoides) 4cy, January 22 2012, Drachten, the Netherlands. Pictures: Rudy Offereins.
Iceland Gull (glaucoides) 4cy, February 08 2012, Peterhead, Scotland. Pictures: Chris Gibbins.

darker birds, still probably glaucoides

Iceland Gull (glaucoides) 4cy / 5cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson. Limited dark on primaries in immature bird.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson, Dark bird overall, outer-webs not contrastingly darker than greater primary coverts.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson. dark patches on outer-webs, no sub-terminal markings.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson. Dark bird overall, outer-webs not contrastingly darker than greater primary coverts.
Iceland Gull (glaucoides) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Iceland / Kumlien's Gull 4cy/5cy, January 23 2012, Neeltje Jans, the Netherlands. Pictures: Pim Wolf. Promising bird: darkest areas on outer primaries.
Iceland / Kumlien's Gull 4cy, January-February 2012, Peterhead, Scotland. Pictures: Chris Gibbins.
Iceland / Kumlien's Gull 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson. Dark bird overall, outer-webs not contrastingly darker than greater primary coverts. Contrasting tail pattern better suits kumlieni.
Iceland / Kumlien's Gull 4cy, February 08 2012, Peterhead, Scotland. Pictures: Chris Gibbins.
 

pale birds, but primary patterns with sub-terminal bands advocate kumlieni

Kumlien's Gull (kumlieni) 4cy, January 27 2012, Zeebrugge, Belgium. Pictures: Filip de Ruwe.
Kumlien's Gull (kumlieni) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson.
Kumlien's Gull (kumlieni) 4cy, January 24 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.
Kumlien's Gull (kumlieni) 4cy, January 24 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.
Kumlien's Gull (kumlieni) 4cy, February 12 2012, St John's, Newfoundland, Canada. Picture: Dave Brown.

dark outer primaries classic for kumlieni

Kumlien's Gull (kumlieni) 4cy, January 24 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.
Kumlien's Gull (kumlieni) 4cy, January 24 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.
Kumlien's Gull (kumlieni) 4cy, January 24 2012, St John's, Newfoundland, Canada. Picture: Bruce Mactavish.
Kumlien's Gull (kumlieni) 4cy, 28 February - 04 March 2010, near Reykjavik, SW Iceland. Pictures: Hans Larsson. Dark bird overall, outer-webs of outer primaries contrastingly darker than on inners.