I’ve been monitoring the gull communal roost at Carter lake (west of Berthoud)
this past week. Numbers and composition vary nightly. Each night there are
different birds. This evening a very dark brown gull best fit the description
of a first cycle Western Gull. Perhaps this is the bird Ted
Late this afternoon, hundreds of minnow-gorging gulls put on a spectacle along
the west shore of Warren Lake, Fort Collins (Larimer County). Among the
equinumerous Ring-billed and California Gulls were dozens of Herring Gulls, 3
Bonaparte's Gulls, and a handful of unusual individuals. Two were
