Bishop Wilton Poor Land

Site of Special Scientific Interest · 53.9922, -0.8147

Condition (Natural England)

Favourable (1)
UnitFeatureConditionArea (ha)Assessed
SE778557 Favourable 2.07 2017-04-13

Geology & landscape

Geological Period: Triassic

Birds & fish recorded

Birds

SpeciesSeason
cuckoo Unknown

Description

Area, 2.1 hectares 5.2 ac Description Bishop Wilton Poorland consists of a small, low lying hayfield situated on Lacustrine Claysover lying Triassic Mercia Mudstones approximately seven kilometres north north east of Pocklington. The meadow is important as one of the best examples of unimproved, species rich, damp neutral grassland in North Humberside and is maintained by traditional management for hay. Such meadows which were formerly widespread are now restricted in distribution due to modern agricultural practices, particularly reseeding and the use of artificial fertilisers. The grassland sward consists of a varied mixture of grasses and herbs with no single species being especially dominant. Grasses such as meadow foxtail Alopecurus pratensis, red fescue Festuca rubra, sweet vernal grass Anthoxanthum odoratum, Yorkshire fog Holcus lanatus and yellow oat grass Trisetum flavescens are all common, as are herbs such as great burnet Sanguisorba officinalis, meadowsweet Filipendula ulmaria, ribwort plantain Plantago lanceolata, meadow vetchling Lathyrus pratensis, common knapweed Centaurea nigra, common sorrel Rumex acetosa, pignut Conopodium majus, cuckoo-flower Cardamine pratensis, cowslip Primula veris, yellow rattle Rhinanthus minor and red clover Trifolium pratense. Of more restricted distribution within the meadow are species such as devil's bit scabious Succisa pratensis, wood anemone Anemone nemorosa, ragged-robin Silene flos-cuculi and, of particular note, meadow barley Hordeum secalinum, pepper saxifrage Silaum silaus and saw wort Serratula tinctoria. The latter group of species all have a restricted distribution in the British Isles and are uncommon in Humberside. The abundance of the uncommon adder's tongue Ophioglossum vulgatum within the meadow is a particularly notable feature.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
adders-tongue fern Ophioglossum vulgatum LC fern ophioglossaceae
meadow foxtail Alopecurus pratensis LC grass poaceae
sweet vernal grass Anthoxanthum odoratum LC grass poaceae
red fescue Festuca rubra LC grass poaceae
Yorkshire fog Holcus lanatus LC grass poaceae
meadow barley Hordeum secalinum LC grass poaceae
yellow oat grass Trisetum flavescens LC grass poaceae
wood anemone Anemone nemorosa LC herb ranunculaceae
cuckoo-flower Cardamine pratensis LC herb brassicaceae
black knapweed Centaurea nigra LC herb asteraceae
pignut Conopodium majus LC herb apiaceae
meadow sweet Filipendula ulmaria LC herb rosaceae
meadow vetchling Lathyrus pratensis LC herb fabaceae
ribwort plantain Plantago lanceolata LC herb plantaginaceae
cowslip Primula veris LC herb primulaceae
yellow-rattle Rhinanthus minor DD herb orobanchaceae
common sorrel Rumex acetosa LC herb polygonaceae
great burnet Sanguisorba officinalis LC herb rosaceae
saw wort Serratula tinctoria VU herb asteraceae
pepper saxifrage Silaum silaus EN herb saxifragaceae
ragged-robin Silene flos-cuculi LC herb carophyllaceae
devils-bit scabious Succisa pratensis VU herb caprifoliaceae
red clover Trifolium pratense LC herb fabaceae

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
Reddish buff
Acosmetia caliginosa
Critically Endangered Serratula tinctoria
Black-veined moth
Siona lineata
Critically Endangered Centaurea nigra
New forest
Zygaena viciae
Critically Endangered Lathyrus pratensis
Marsh moth
Athetis pallustris
Endangered Plantago lanceolata
Duke of Burgundy
Hamearis lucina
Endangered Primula veris
Wood white
Leptidea sinapis
Endangered Lathyrus pratensis
Heath fritillary
Melitaea athalia
Endangered Plantago lanceolata
Glanville fritillary
Melitaea cinxia
Endangered Plantago lanceolata
Scarce vapourer
Orgyia recens
Endangered Filipendula ulmaria, Rumex acetosa
Fiery clearwing
Pyropteron chrysidiformis
Endangered Rumex acetosa
Mouse moth
Amphipyra tragopoginis
Vulnerable Serratula tinctoria
Broom moth
Ceramica pisi
Vulnerable Rumex spp.
Marsh fritillary
Euphydryas aurinia
Vulnerable Plantago spp., Succisa pratensis
Satyr pug
Eupithecia satyrata
Vulnerable Centaurea spp., Filipendula ulmaria, Rhinanthus minor
Garden dart
Euxoa nigricans
Vulnerable Plantago spp., Rumex spp., Trifolium spp.
Grayling
Hipparchia semele
Vulnerable Festuca rubra
Beaded chestnut
Agrochola lychnidis
Near Threatened Rumex spp., Trifolium spp.
Grey chi
Antitype chi
Near Threatened Plantago lanceolata, Rumex spp.
Garden tiger
Arctia caja
Near Threatened Plantago spp., Rumex spp.
Latticed heath
Chiasmia clathrata
Near Threatened Lathyrus pratensis, Trifolium spp.
The sallow
Cirrhia icteritia
Near Threatened Rumex spp.
Small heath
Coenonympha pamphilus
Near Threatened Festuca spp.
Autumnal rustic
Eugnorisma glareosa
Near Threatened Plantago spp., Rumex spp.
Grey pug
Eupithecia subfuscata
Near Threatened Centaurea spp.
Scarce forester
Jordanita globulariae
Near Threatened Centaurea nigra
Wall
Lasiommata megera
Near Threatened Holcus lanatus
Dark-barred twin-spot carpet
Xanthorhoe ferrugata
Near Threatened Rumex 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.