A pair of white-fronted geese with neck rings collars in a flock during migration

whitefronted goose wildlife nature bird wild animal waterfowl white feather beak outdoors natural geese anser albifrons outdoor fauna duck ornithology avian grass birds water black background plumage water bird greater brown grey greater whitefronted goose fronted habitat specklebelly bird watching lake wild bird white fronted goose closeup hunting anser summer lesser winter wing migratory ringed neck ring collar