Thayer's Gull (thayeri)

(last update: January 22, 2013)

Coordinators:
Amar Ayyash (USA)
Mars Muusse (Netherlands)

Thayer's Gull 1st cycle (2CY), March 23 2011, Fernhill Wetlands, Forest Grove, Oregon, US. Picture: Greg Gillson.

Visit: Greg's Pbase pages.

Hybrid Glaucous-winged x Western left, Thayer's right. Side-by-side comparison same day, location, and light angle.

Note moult of head feathers, neck and upper breast in left bird, new feathers stand out as darker grey.

Below: note replaced single flank feathers in thayeri.