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

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