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

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