a flock of dark-bellied brent geese migrating.

autumn bernicla bernicula bird birding birds birdwatching blue brant branta brent british clear coast copyspace darkbellied dorset england europe fall fast flight flock flying geese goose history icon isle jurassic kingdom migrant migrating migration migratory natural nature ocean ornithology pelagic portland rough sea seabird seashore shoreline sky strong united water waves wild wildfowl wildlife winter