American Herring Gull (smithsonianus)

(last update: October 30, 2015)

Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

American Herring Gull (smithsonianus) AV0 1st cycle (2CY), April 04 2016, Seaside Park in Bridgeport, CT. Picture: Keith Mueller.

Banded as pullus in 2015 at Portland, ME (43.65861 70.25194). Drs. Noah Perlut and Peggy Friar, University of New England, study the costs and benefits associated with roof-top nesting by Herring Gulls in Portland, ME. Adults and nestlings are fitted with either an orange or blue plastic leg band engraved with a 3 letter code. Sightings can be reported directly to Dr. Perlut.

Moult score: US: 100%, LS: 75-99%, TOT SCAPS: 75-99%. All wing-coverts, tertials, rectrices and visible outer primaries still juvenile.