animal bush cloud domesticated England english farm field grass Great Britain green hill landscape livestock mammal meadow peace rest sheep shelter shrub sky slope South Downs Sussex tree view bridleway danger exercise footpath hedgerow panorama passing rain storm track trail walking abundance abundant clover diverse diversity ecology flora flowers habitat hills natural nature profusion rich summer umbellifer verdant wild blue cattle cows fields herd hillside meadows peaceful resting rural tranquil trees woodland antennae beauty butterfly Chalkhill Blue delicate feeding flower haustellum insect Lepidoptera Lycaenidae proboscis rhopalocera scabious veins wings bank chalk hedge lane old route transport travel verge walk border clouds margin plants white yellow