Monthly Archives: May 2013

Adult Lesser Black-backed Gull Blue 4J – 20130529

2cy Lesser Black-backed Gull with yellow bill – 20130528

Lesser Black-backed Gulls displaying choking behavior – 20130528

Trip report: Heermann’s Gulls in San Diego

Studying bill and eye characteristics in European Herring Gulls

Trip Report: Western Gulls in San Diego