bracken dense England english fern Great Britain green habitat natural nature Pteridium aquilinum summer Surrey woodland distance distant field landscape meadow South Downs Sussex view deterrent garden grow hat man plants produce protect scarecrow vegetables wiltshire architecture building Gloucestershire historical mill old river rural village water watercourse watermill churchyard clock dais elements gnomen measure pillar stone sundial time channel coast direction estuary flight geese goose Hampshire sea shore travel bark Betula birch epiphyte heathland lichen plant tree trunk animal cattle cows farm heifers herd mammal spring alpaca five fleece inquisitive stand stare white