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