Corbylin Wood

Site of Special Scientific Interest · 54.8885, -7.3302

Description

Corbylin Wood oakwood The area is of special scientific interest because of its woodland flora and fauna. Corbylin Wood is an extensive semi-natural woodland. Because of the variety of environmental conditions, there are several distinctive woodland plant communities. As a result, the area is one of the richest for woodland plants in Northern Ireland. There are a number of notable plants and animals. The wood extends along a steep ridge to the north of Dunnamanagh, associated with part of the Burn Dennet river valley and its tributary, the Corbylin Burn. The composition of the woodland reflects both management and local environmental edaphic factors, particularly soil conditions. Although the bulk of the wood occurs on acidic soils, there are also places where the soils are richer, base-rich, and wetter, flushed. This edaphic variation influences the composition of the woodland, resulting in a very rich assemblage of woodland plant species. Downy birch Betula pubescens and mature oak Quercus spp. generally dominate the canopy. Other tree species such as ash Fraxinus excelsior and alder Alnus glutinosa are more localised, with the former being characteristic of soils that are base-rich, and the latter typical of wet, waterlogged ground along the base of the ridge. The shrub layer is dominated by hazel Corylus avellana. Other shrub species present include holly Ilex aquifolium, rowan Sorbus aucuparia, hawthorn Crataegus monogyna and in wetter conditions, willow Salix spp. Where it is present, the field layer consists of a mixture of ferns, thickets of bramble Rubus fruticosus and locally in the most acidic conditions, the dwarf-shrub bilberry Vaccinium myrtillus. The herb layer reflects the acidic nature of the majority of the wood and is dominated by great wood rush Luzula sylvatica, with bluebell Hyacinthoides non-scripta locally prominent in damper conditions. On base-rich soils, there is a notable increase in species richness. Plants present include primrose Primula vulgaris, wood avens Geum urbanum, sanicle Sanicula europaea, lesser celandine Ranunculus ficaria and wood sedge Carex sylvatica, while wood anemone Anemone nemorosa, opposite-leaved golden-saxifrage Chrysosplenium oppositifolium and remote sedge Carex remota are characteristic of the wettest soils. In addition to its overall species diversity, the woodland supports a number of rare woodland plants including bird cherry Prunus padus and wood fescue Festuca altissima. Corbylin Wood also provides an important habitat for animals, including mammals and breeding birds. Mammals recorded in the wood include otter Lutra lutra, badger Meles meles and red squirrel Sciurus vulgaris. https://www.daera-ni.gov.uk/publications/corbylin-wood-assi

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
otter Lutra lutra LC carnivore mustelidae
badger Meles meles LC carnivore mustelidae
wood fescue Festuca altissima Not listed in GB list grass poaceae
wood anemone Anemone nemorosa LC herb ranunculaceae
opposite-leaved golden- saxifrage Chrysosplenium oppositifolium LC herb saxifragaceae
herb bennet Geum urbanum LC herb rosaceae
bluebell Hyacinthoides non-scripta LC herb liliaceae
primrose Primula vulgaris LC herb primulaceae
bramble Rubus fruticosus LC herb rosaceae
sanicle Sanicula europaea LC herb apiaceae
red squirrel Sciurus vulgaris EN rodent sciuridae
great wood rush Luzula sylvatica LC rush juncaceae
remote sedge Carex remota LC sedge cyperaceae
wood sedge Carex sylvatica LC sedge cyperaceae
hawthorn Crataegus monogyna LC shrub rosaceae
billberry Vaccinium myrtillus LC shrub ericaceae
alder Alnus glutinosa LC tree salicaceae
downy birch Betula pubescens LC tree betulaceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
holly Ilex aquifolium LC tree aquifoliaceae
bird cherry Prunus padus LC tree rosaceae
rowan Sorbus aucuparia LC tree rosaceae

Insects to look out for

These moths, butterflies and beetles are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a host-plant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.

SpeciesStatusVia host-plant
Speckled footman
Coscinia cribraria
Critically Endangered Vaccinium myrtillus
Figure of eight
Diloba caeruleocephala
Endangered Crataegus spp., Prunus spp.
The lappet
Gastropacha quercifolia
Endangered Crataegus monogyna, Prunus spp.
Duke of Burgundy
Hamearis lucina
Endangered Primula vulgaris
Scarce vapourer
Orgyia recens
Endangered Alnus glutinosa, Betula spp., Corylus avellana, Crataegus spp., Rubus fruticosus
Mouse moth
Amphipyra tragopoginis
Vulnerable Crataegus spp.
The sprawler
Asteroscopus sphinx
Vulnerable Betula spp., Corylus avellana, Crataegus spp., Fraxinus excelsior, Prunus spp.
Broom moth
Ceramica pisi
Vulnerable Betula spp., Rubus fruticosus, Vaccinium myrtillus
Mottled umber
Erannis defoliaria
Vulnerable Betula spp., Corylus avellana, Crataegus spp., Prunus padus, Sorbus aucuparia, Vaccinium myrtillus
The lackey
Malacosoma neustria
Vulnerable Corylus avellana, Crataegus monogyna, Prunus spp., Rubus fruticosus
Pale brindled
Phigalia pilosaria
Vulnerable Alnus glutinosa, Betula pubescens, Corylus avellana, Crataegus monogyna, Fraxinus excelsior
Grizzled skipper
Pyrgus malvae
Vulnerable Geum urbanum, Rubus fruticosus
Early moth
Theria primaria
Vulnerable Crataegus monogyna, Vaccinium myrtillus
Pale eggar
Trichiura crataegi
Vulnerable Betula spp., Corylus avellana, Crataegus monogyna, Rubus fruticosus, Vaccinium myrtillus
Flounced chestnut
Agrochola helvola
Near Threatened Betula spp., Crataegus monogyna, Vaccinium myrtillus
Beaded chestnut
Agrochola lychnidis
Near Threatened Crataegus monogyna, Vaccinium myrtillus
Grey chi
Antitype chi
Near Threatened Crataegus monogyna
Garden tiger
Arctia caja
Near Threatened Sorbus aucuparia
Small heath
Coenonympha pamphilus
Near Threatened Festuca spp.
Rosy marsh moth
Coenophila subrosea
Near Threatened Vaccinium myrtillus
Dingy mocha
Cyclophora pendularia
Near Threatened Alnus glutinosa
Kentish glory
Endromis versicolora
Near Threatened Alnus glutinosa, Betula pubescens
Large thorn
Ennomos autumnaria
Near Threatened Alnus glutinosa, Betula spp., Corylus avellana, Crataegus spp., Prunus spp.
September thorn
Ennomos erosaria
Near Threatened Betula spp.
Dusky thorn
Ennomos fuscantaria
Near Threatened Fraxinus excelsior
The Silurian
Eriopygodes imbecilla
Near Threatened Vaccinium myrtillus
Autumnal rustic
Eugnorisma glareosa
Near Threatened Betula spp., Hyacinthoides non-scripta
Grey pug
Eupithecia subfuscata
Near Threatened Crataegus monogyna
Double dart
Graphiphora augur
Near Threatened Betula spp., Crataegus spp.
Scotch burnet
Zygaena exulans
Near Threatened Vaccinium myrtillus
White prominent
Leucodonta bicoloria
Regionally Extinct Betula spp.

Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.

Plant communities

A14 — Fast flowing river and stream

Myriophyllum alterniflorum community

Isolepis fluitans, Juncus bulbosus, Fontinalis antipyretica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Lemna minor, Callitriche stagnalis, Littorella uniflora, Potamogeton filiformis, Potamogeton gramineus, Potamogeton natans, Ranunculus peltatus, Chara spp., Nitella hyalina

A17 — Chalk river and stream, Fast flowing river and stream

Ranunculus penicillatus ssp. pseudofluitans community

Berula erecta, Nasturtium officinale, Elodea canadensis, Lemna minor, Callitriche stagnalis, Veronica beccabunga, Polygonum amphibium, Polygonum hydropiper, Potamogeton crispus, Potamogeton pectinatus, Ranunculus penicillatus ssp. pseudofluitans

A18 — Fast flowing river and stream

Ranunculus fluitans community

Fontinalis antipyretica, Fontinalis squamosa var. curnowii, Myriophyllum alterniflorum, Myriophyllum spicatum, Elodea canadensis, Mentha aquatica, Lemna gibba, Lemna minor, Potamogeton perfoliatus, Ranunculus fluitans, Glyceria fluitans, Phalaris arundinacea

A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream

Potamogeton natans community

Schoenoplectus lacustris, Juncus bulbosus, Sparganium angustifolium, Sparganium erectum, Sparganium minimum, Alisma plantago-aquatica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Elodea canadensis, Lemna minor, Lemna trisulca, Nymphaea alba, Callitriche platycarpa, Callitriche stagnalis, Littorella uniflora, Potamogeton natans, Ranunculus trichophyllus, Glyceria fluitans, Chara subspinosa