Walton Common () is a 25.5

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, square metres (), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. ...

biological Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain, or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland, is a conservation designation denoting a protected area in the United Kingdom and Isle ...

(SSSI) near the village of

Walton in Gordano Walton in Gordano is a village and civil parish in the North Somerset district, in the ceremonial county of Somerset, England. It is situated in a small valley at the side of the south-western end of the Gordano Valley, about a mile from Clevedo ...

North Somerset North Somerset is a unitary authorities of England, unitary authority in the ceremonial county of Somerset, England. The council is based in Weston-super-Mare, the area's largest town. The district also contains the towns of Clevedon, Nailsea ...

, notified in 1991. The common, which is both a

Scheduled Ancient Monument In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change. The various pieces of legislation that legally protect heritage assets from damage, visu ...

and an SSSI, is covered by a Countryside Stewardship agreement with the Countryside Agency. It remains in private ownership, but the

Avon Wildlife Trust The Avon Wildlife Trust aims to protect and promote wildlife in the area of the former county of Avon – now Bath and North East Somerset, Bristol, North Somerset and South Gloucestershire, in England. It has its headquarters in Bristol and ru ...

has a 10-year lease to manage it as a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geologic ...

. The site has two saucer-shaped

round barrow A round barrow is a type of tumulus and is one of the most common types of archaeological monuments. Although concentrated in Europe, they are found in many parts of the world, probably because of their simple construction and universal purpose. ...

s from the

Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...

, and the Walton Common banjo enclosure, a

banjo enclosure In archaeology, a banjo enclosure is the name of a type of archaeological feature of the British Middle Iron Age. It is so named because in plan it consists of a small round area with a long entrance track leading inward from one direction. This l ...

from the late

Iron Age The Iron Age () is the final epoch of the three historical Metal Ages, after the Chalcolithic and Bronze Age. It has also been considered as the final age of the three-age division starting with prehistory (before recorded history) and progre ...

that may be a

univallate hillfort A hillfort is a type of fortified refuge or defended settlement located to exploit a rise in elevation for defensive advantage. They are typical of the late European Bronze Age and Iron Age. Some were used in the post- Roman period. The fortif ...

, with associated fields. Wildflowers found on the common include

thyme Thyme () is a culinary herb consisting of the dried aerial parts of some members of the genus ''Thymus (plant), Thymus'' of flowering plants in the mint family Lamiaceae. Thymes are native to Eurasia and north Africa. Thymes have culinary, medici ...

marjoram Marjoram (, ''Origanum majorana'') is a cold-sensitive perennial plant, perennial herb or undershrub with sweet pine and citrus flavours. In some Middle Eastern countries, marjoram is synonymous with oregano, and there the names sweet marjoram ...

, rock-rose,

St John's wort ''Hypericum perforatum'', commonly known as St. John's wort (sometimes perforate St. John's wort or common St. John's wort), is a flowering plant in the family Hypericaceae. It is a hairless, perennial herb with woody roots, yellow flowers ma ...

autumn gentian ''Gentianella amarella'', the autumn gentian, autumn dwarf gentian, or autumn felwort, is a short biennial plant flowering plant in the gentian family, Gentianaceae. It is found throughout Northern Europe, the western and northern United States, ...

and

violet Violet may refer to: Common meanings * Violet (color), a spectral color with wavelengths shorter than blue * One of a list of plants known as violet, particularly: ** ''Viola'' (plant), a genus of flowering plants Places United States * Vi ...

Butterflies Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

are particularly notable including

common blue The common blue butterfly or European common blue (''Polyommatus icarus'') is a butterfly in the family Lycaenidae and subfamily Polyommatinae. The butterfly is found throughout the Palearctic and has been introduced to North America. Butterflie ...

brown argus ''Aricia agestis'', the brown argus, is a butterfly in the family Lycaenidae. It is found throughout the Palearctic realm, north to northern Jutland (Denmark) and east to Siberia and the Tian Shan. Subspecies *''A. a. agestis'' southern and ce ...

, grizzled and

dingy skipper The dingy skipper (''Erynnis tages'') is a species of butterfly in the family Hesperiidae. Description ''Erynnis tages'' is different from other skippers because of the predominantly monochrome, gray-brown wing coloration and the marbling, which ...

green Green is the color between cyan and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495570 nm. In subtractive color systems, used in painting and color printing, it is created by a com ...

and

purple hairstreak The purple hairstreak (''Favonius quercus'') is a butterfly in the family Lycaenidae distributed throughout much of Europe, North Africa, Anatolia, Caucasia, and Transcaucasia. The larva feeds on ''Quercus robur'', ''Quercus petraea'', ''Querc ...

, and

dark green fritillary The dark green fritillary (''Speyeria aglaja'') is a species of butterfly in the family Nymphalidae. The insect has a wide range in the Palearctic realm - Europe, Morocco, Iran, Siberia, Central Asia, China, Korea, and Japan. Taxonomy The dark g ...

. Other insects such as

grasshopper Grasshoppers are a group of insects belonging to the suborder Caelifera. They are amongst what are possibly the most ancient living groups of chewing herbivorous insects, dating back to the early Triassic around 250 million years ago. Grassh ...

s, glow-worms and

moths Moths are a group of insects that includes all members of the order Lepidoptera that are not butterflies. They were previously classified as suborder Heterocera, but the group is paraphyletic with respect to butterflies (suborder Rhopalocera) a ...

are abundant. Birds identified at the site include;

blackcap The Eurasian blackcap (''Sylvia atricapilla'') is a bird usually known simply as the blackcap. It is a common and widespread typical warbler. It has mainly olive-grey upperparts and pale grey underparts, and differences across the five subspec ...

, whitethroat,

buzzard Buzzard is the common name of several species of birds of prey. ''Buteo'' species * Archer's buzzard (''Buteo archeri'') * Augur buzzard (''Buteo augur'') * Broad-winged hawk (''Buteo platypterus'') * Common buzzard (''Buteo buteo'') * Easte ...

kestrel The term kestrel (from , derivative from , i.e. ratchet) is the common name given to several species of predatory birds from the falcon genus ''Falco''. Kestrels are most easily distinguished by their typical hunting behaviour which is to hover ...

and

sparrowhawk Sparrowhawk (sometimes sparrow hawk) may refer to several species of small hawk in the subfamily Accipitrinae The Accipitrinae are the Family (biology), subfamily of the Accipitridae often known as the "true" hawks. The subfamily contains 73 s ...

References

{{SSSIs Avon biological Sites of Special Scientific Interest in North Somerset Sites of Special Scientific Interest notified in 1991 Nature reserves in Somerset Scheduled monuments in North Somerset Bronze Age sites in Somerset