Flock of been goose and white fronted goose eating grass on field

whitefronted goose migrating geese gatherings of geese flock of geese thousands geese flock migratory bean goose migration birds agriculture laughing goose migrations landing flock of birds abundance birds feeding grey goose rookery congestion wildlife feeding birds migration stop hordes field anser albifrons flight plowed field agriculture harmful to farming bird animal stubble field rural eaten grain anser fabalis cultivation wheat fat depot nature spring getting down anser economy landfall dry stopover grain growing myriad nutrition stubble