Coots, and their relatives the gallinules, behave like ducks, gathering in flocks, swimming on open water, and walking about on shore
Pink-footed Shearwater
Cassin’s Auklet
Passenger Pigeon
At the time the Pilgrims landed in Plymouth, MA the Passenger Pigeon was probably the most abundant bird in North America (Kaufman). Enormous nomadic flocks of these pigeons numbering in the millions roamed around the eastern two-thirds of the continent eating beechnuts, acorns, grains, and berries.