bay blue cliff coastline Great Britain island isthmus natural nature Pembrokeshire rocks rocky sea shore Skomer view wales water welsh wild boat trawler birds clouds England english lake peaceful reflections ripples sky summer Sussex swans tranquil trees green hillside rock united kingdom cloud grass hill landscape mowed mown park parkland shadow slope spring sunlight tree beak bird breeds comb domestic farm feather forage fowl hen hens rural uk wiltshire bog ducks habitat marsh plants seep Surrey tussocks wet bank Basingstoke Canal canal Hampshire reflection river towpath travel animals domesticated field hills livestock mammals meadow sheep South Downs