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 chilled chilly cold freezing frozen height high hill landscape path ridge snow snowy summit top track view winter cloud countryside empty grass green lonely meadow pastoral pasture peace sky slope tranquil blue clouds field flowers footpath habitat hilltop quality wild bank clump hillside 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 breed domestic domesticated trees variety