Massive flock of white snow geese foraging in St Lawrence marsh, Quebec, Canada

snow geese anser caerulescens marsh quebec st lawrence foraging flock montmagny canada riverbank wildlife waterfowl wetland bird flu avian flu snow goose birdwatching birding honking flocks white geese north america native anser anatidae migration wintering areas colour morphs forage animal ornithology aves nature wild species avian fauna birds bird behavior wilderness birdlover birdspotting birder birdlife birdwatcher migrating avian influenza saint lawrence river river bank