animals assorted black brown cows diversity downland England english farm grassland Great Britain herbivores livestock mammals natural nature ruminants rural South Downs summer Sussex udder various white access barrier boundary clouds countryside entrance exercise field gate green hill hillside landscape meadow sky stile walk wooden chilled chilly cold freezing frozen height high path ridge snow snowy summit top track view winter cloud empty grass lonely pastoral pasture peace slope tranquil blue flowers footpath habitat hilltop quality wild bank clump sunlight tussock verge animal browse calm Downs fleece flock graze grazing mammal mammalia meander quiet sheep south tail wander wool aggregation autumn Clematis vitalba cluster coiled curved flower group mass nest plant seed seedhead seeds spiral traveller's joy travellers joy twisted arcadian fence forest fresh shadow spring trail