Bonaparte's Gull
Chroicocephalus philadelphia
Family: Gulls, terns, and skimmers
Bonaparte's Gull is one of the species in the BirdGuess catalog. The daily puzzle hides a photo and opens it in pieces. You get five guesses.
Did you know
It also gathers in large numbers to feed on the eggs of spawning salmon, alighting on the water and, if necessary, diving to take drifting eggs.
The eggs are subelliptical, slightly glossy and smooth, measuring 49 mm × 34 mm and weighing 28.5 g.
Like most gulls, Bonaparte's gull has a varied diet, with prey items changing over the course of the year, and from year to year.