Old Winchester Hill National Nature Reserve

Old Winchester Hill National Nature Reserve spans 66.2 hectares in Hampshire and is designated as a biological Site of Special Scientific Interest and a Grade I Nature Conservation Review site. This national nature reserve features diverse habitats, including chalk grassland and ancient woodlands, and is also home to a scheduled monument, highlighting its ecological and historical significance. Visitors can expect to see a variety of butterfly species, particularly in July, when Silver-washed Fritillary, Marbled White, Common Blue, and Small Skipper are most active, often peaking around 01:00. August is another vibrant month, showcasing Meadow Brown, Gatekeeper, and several blue butterfly species. For bird enthusiasts, Greenfinch sightings peak in January, providing year-round interest in this rich habitat.