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

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