Cors Bodeilio National Nature Reserve

Gate leading to the nature reserve - geograph

Cors Bodeilio National Nature Reserve lies in a shallow valley outside

Talwrn Talwrn is a small village between the county town of Llangefni and Pentraeth on the Isle of Anglesey, north Wales. Talwrn is most notable for the Grade II-listed 16th-century manor house of Plas Llanddyfnan, which lies just to the north of the ham ...

on the

Isle of Anglesey Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a principal area known as the Isle of Anglesey, that includes Holy Island across the narrow Cymyran Strait and some islets and skerries. Anglesey islan ...

. Most of the land consists of a lime-rich

mire A mire, peatland, or quagmire is a wetland area dominated by living peat-forming plants. Mires arise because of incomplete decomposition of organic matter, usually litter from vegetation, due to water-logging and subsequent anoxia. All types o ...

. This type of

wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...

is rare, giving the reserve national importance. It is host to a large range of plants and animals, including the medicinal

leech Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular segmented b ...

. A number of nationally local or rare species of plant have been recorded from the site including fen pondweed, several species of stonewort including the rare dwarf stonewort,

olive earthtongue ''Microglossum olivaceum'' (vernacular name: olive earthtongue) is a species of fungus belonging to the family Geoglossaceae. Synonym: * ''Geoglossum olivaceum'' Pers. (= basionym In the scientific name of organisms, basionym or basyonym means ...

fungus (''Microglossum olivaceum''),

fen pondweed ''Potamogeton coloratus'', the fen pondweed, is an aquatic plant in the genus ''Potamogeton''. It is found in shallow peaty calcareous lakes, ponds and ditches, commonly associated with lowland fens. Description Fen pondweed grows from perennia ...

, narrow-leaved marsh orchid and fly orchid The nature reserve is within a designated Site of Special Scientific Interest,CCW - Cors Bodeilio SSSI citation
/ref> is also a

Ramsar site A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O) *** Permanent 8 ha (P) *** Seasonal Intermittent < 8 ha(Ts) ** National nature reserves in Wales Nature reserves in Anglesey Sites of Special Scientific Interest on Anglesey Llanddyfnan {{Anglesey-geo-stub