glaucoides - kumlieni

(last update: January 26, 2012)

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

Iceland Gull (kumlieni) H6 adult, January 2015, December 2016 & January 2017, Quidi Vidi Lake, St. John's, Newfoundland.
Picture: Chris van Rijswijk, Lancy Cheng, Lisa de Leon & Alvan Buckley.

Yellow H6, banded in winter in January 2013, in St. John's, Newfoundland (LAT: 47.80833; LON: -52.80833). Detailed banding data still pending.

below: Iceland Gull (kumlieni) H6 adult, January 14 2017, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Chris van Rijswijk.

Please visit Chris's blog Birdshooting for funny stories and amazing images.

The pigmentation is medium grey on P9. Wingtip darkness score: 2 - medium grey (Estimated Kodak 7-10). In the study by Howell & Mactavish, about 77% of Kumlien's Gulls in New Foundland belong to this category, see Table 1.

Pigmentation on P6-P10, with small triangles on P6, subterminal bands on P7-P9. Wingtip scoring for dark markings on P5-P10: 0-2-4-5-4-1. See Plate 1 for explanation.

Wingtip pattern category: Type M, Stage 4, darker grey or more extensive grey marks on the outer five primaries with complete subterminal bands on zero to three primaries. See primary patterns for explanation. In the study by Howell & Mactavish, about 55% of Kumlien's Gulls in New Foundland belong to this category, see Table 2.

Iris colour variation: Iris colour variation: 1 - iris overall pale brown or honey coloured. In the study by Howell & Mactavish, only 2% of the Kumlien's Gulls in New Foundland belong to this category, see Table 3.

below: Iceland Gull (kumlieni) H6 adult, January 03 2017, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Lancy Cheng.

below: Iceland Gull (kumlieni) H6 adult, December 27 2016, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Lancy Cheng.

Overall adult bird, with amber coloured iris.

below: Iceland Gull (kumlieni) H6 adult, January 15 2015, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Lisa de Leon.

below: Iceland Gull (kumlieni) H6 adult, January 13 2015, Quidi Vidi Lake, St. John's, Newfoundland. Picture: Alvan Buckley.

Overall adult bird, with amber coloured iris.