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

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