Snow geese eat plant rhizomes by putting their heads deep in the mud

snow geese snow goose mud feeding mud field geese nature documentary spring migration mud wetland white bird wildlife management wildlife webbed feet ornithology bird feeding bird observation beak marsh rare bird bird hunting goose avian rhizome bog swamp bird documentary natural science northern canada animal national park feathers northern quebec nature hunting hunt plants eating wings wilderness cinematic wild north america spring quebec canada vegetarian biology spring time outdoor