Migrating Pink-Footed geese over-wintering at Holkham, North Norfolk coast, East Anglia, Eastern England

anser brachyrhynchus bird flu risk birds in flight birds of a feather stick together british scenes british wildlife dense group ecological ecology english environmental flocking flying south freedom goose concentrations great britain huge flock huge flock of geese icelandic large flock large group of geese lowland migrate migratory birds nature reserve ornithology outstretched wings overwinter overwintering pink foot geese pink footed goose reclaimed saltmarsh risk of bird flu roost site roosting location take to the sky taking to the sky thousands uk scene united kingdom waterfowl wild fowl wild geese wildfowl winter migration aves avian avians bird life birdlife conservation crowd daytime environment flocks full frame full length full lengths habitat habitats horizontal many movement moving multitude natural world nature outdoors outside stock image stock photo stock photograph survival travel photo travel photograph travel photography travel stock travels visitors wildlife wildlife photography wildlife stock wings wingspan travel travel destinations travel destination on the move motion height elevation altitude flight in flight flying wild animal wild animals wildlife safari safari safaris safari destinations safari destination animal behaviour animal behavior large group of animals color image color colour tourism destination uk