canada geese spring vegetation

avian background biology bird birds canada circadian conservation cycle distance distant dry ducks ecology feathered filled flap flight flock flocking flying formation gamebirds gander gathering geese goose group habit klamath lake legend lower marsh marshes migrate migrates migration migratory mountain national ornithology pattern reeds reflection refuge rhythm season seasonal shape shorebirds silhouette sky snow soar strength swamp swans teamwork tule tules vast waterfowl wetland wetlands wild wildlife winged wings wonder