anas superciliosa beak bird duck ducks feather geese and swans grass nature Pacific black duck plant terrestrial animal waterfowl wing branch England english Great Britain Natural landscape pollard Salix sky Surrey tree trunk twig vegetation willow winter wood altitude canada cluster flower group high little minute montane mountain natural patch Rockies Rocky Mountains small tiny yellow Australia desert harsh hot landscape massif Mount Conner red rock sand terrain wild Cornish cornwall developing fern fresh frond garden growth pinnae pteridophyte spring stems temperate autumn color colour foliage leaf leaves patchwork background coniferous evergreen Fir forest green needle pattern pine season spruce texture tile wallpaper abundant compete competition crowd cultivar euphorbia lime many numerous petal abstract alive angles backdrop banana-leaves banana-plant banana-tree contrast growing light lined lines parallel patterned patterns photosynthesis shadow stalks stripe striped stripes sunlight surface surfaces textures tropical tropics