first cycle Glaucous Gull

first cycle
Glaucous Gull

Fig 1) This is a fairly pale bird; note the white primaries. February 24, 1998. Newby Island, California. Photo courtesy of Mike Rogers.

Fig 2) A typical darker first winter Glaucous Gull; note the completely marbled tail and interesting pattern on the primary tips. January, 1998. Neah Bay, Washington. Photo courtesy of Ruth Sullivan. Fig 3) Note how much whiter the primaries and tertials are on this bird. February 21, 1999. Port Hueneme, California. Photo courtesy of Don DesJardin.

Fig 4) Same bird as Fig 3 above. Note the interesting tail pattern, with large white distal halves to the retrices. For size comparison, those are Mew Gulls behind it.


Fig 2) A typical darker first winter Glaucous Gull; note the completely marbled tail and interesting pattern on the primary tips. January, 1998. Neah Bay, Washington. Photo courtesy of Ruth Sullivan.	Fig 3) Note how much whiter the primaries and tertials are on this bird. February 21, 1999. Port Hueneme, California. Photo courtesy of Don DesJardin.