|
|
Iceland & Kumlien's Gull PDF's
|
|
AERC TAC 2003 PDF. AERC TAC's taxonomic recommendations. Selected text on thayeri - kumlieni: HERE.
|
|
Gaston, A. J. & Decker, R. (1985). PDF
|
|
Gay, Laurène, Bell, Douglas A, Crochet, Pierre-André, 2005. PDF
|
|
Boertmann, D. 2001. The Iceland Gull complex in Greenland. British Birds 94: 546-548. PDF
|
|
|
Scoring sheet for iris pigmentation and wing-tip melanism. |
|