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The skimmers or perchers and their relatives form the Libellulidae, the largest dragonfly family in the world. It is sometimes considered to contain the Corduliidae as the subfamily Corduliinae and the Macromiidae as the subfamily Macromiinae. Even if these are excluded, there remains a family of over 1000 species. With nearly worldwide distribution, these are almost certainly the most often seen of all dragonflies.
The River Glaven in the eastern English county of Norfolk is 10.5 mi (16.9 km) long and flows through picturesque North Norfolk countryside to the North Sea. Rising from a tiny headwater in Bodham the river starts 2+1⁄2 miles before Selbrigg Pond where three small streams combine. The scenic value of the Glaven valley is important to the tourist industry in North Norfolk. The river is one of over 200 chalk rivers in the world and one of 160 in the UK.
Sandhurst to Owlsmoor Bogs and Heaths is an 85.8-hectare (212-acre) biological Site of Special Scientific Interest (SSSI) on the northern outskirts of Sandhurst in Berkshire. Part of the SSSI is Wildmoor Heath nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. and the SSSI is part of Thames Basin Heaths Special Protection Area.
In the 10th edition of Systema Naturae, Carl Linnaeus classified the arthropods, including insects, arachnids and crustaceans, among his class "Insecta". Insects with net-veined wings were brought together under the name Neuroptera.
Cefn Blaenau is a 23-hectare Site of Special Scientific Interest in a small upland valley in Carmarthen and Dinefwr, Wales. It was designated an SSSI in 1989, primarily for its flush and spring vegetation as well as the diverse mosaic of unimproved pasture, ‘ffridd’ land, marshy grassland, wet heath, acid grassland, broadleaved woodland, streams, and small rock outcrops. These habitats, which are well represented at this site, have been greatly reduced in north Carmarthenshire due to land improvement, agricultural intensification, and afforestation. Only about 140 hectares of flush and spring vegetation remain in the county.
Black Lake is a nature reserve in Delamere Forest, Cheshire, England. It lies in the southwestern corner of the forest, just south of the Manchester–Chester railway. It is managed by the Cheshire Wildlife Trust (CWT) on behalf of the Forestry Commission, and as a Site of Special Scientific Interest (SSSI) is monitored by Natural England.
Blindwells is a place in East Lothian, Scotland. Etymology "hidden""springs"
Englemere Pond is a 26.1-hectare (64-acre) biological Site of Special Scientific Interest on the southern outskirts of North Ascot in Berkshire. The site is also a Local Nature Reserve. It is owned by the Crown Estate and managed by Bracknell Forest Borough Council.