countryside England english exercise footpath Great Britain green path rural track trail travel trees Trek wiltshire autumn conifer heather heathland landscape nature Pinus sapling scots pine Surrey tree marsh marshland marshy natural pond pool spring water weed wet border cultivar edging flowers garden geranium grow perennial pincushion pink plants summer beach coastline groyne horizon norfolk sand sea seaweed shore wood wooden Argali farm head horns livestock mammal ram sheep Sussex terrestrial animal vertebrate beak bird feathers house sparrow male passer domesticus Passeridae wildlife bracken dense fern habitat Pteridium aquilinum woodland