a flock of migrating geese flying in formation.

albifrons animal animals anser aviating aviation bird birding birds blue clear cona della europe european fauna feather flight flock fly flying formation geese goose graylag greater grey greylag greyleg isola italy large migrating migration migratory mirating motion nature ornithology ornitology plumage reservoir silhouette sky water waterbirds waterfowl whitefronted wild wilderness wildlife wings winter