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THE HUMBERHEAD PEATLANDS NATIONAL NATURE RESERVE
ENGLAND
SOUTH YORKSHIRE, EAST YORKSHIRE AND NORTH LINCOLNSHIRE (cE)
53o38´14´´N/00o53´50´´W Thorne Moors (centre) South Yorkshire, East Yorkshire and North Lincolnshire, Thorne Moors 1918ha, flat 6msl
53o32´56´´N/00o55´52´´W Hatfield Moors (centre) South Yorkshire, Hatfield Moors 1463ha flat 6msl
TOTAL 2381ha
SPA, SAC, NNR, IBA, nominate RAMSAR
Anytime (1974-2004)
Birding Site Guide
The Humberhead Peatlands National Nature Reserve comprises two close but separate sites, Thorne and Hatfield Moors, which encompass most of the remaining (degraded) raised mire of the once much more extensive Humberhead Levels. Thorne Moors at 1918ha and Hatfield Moors at 1400ha are the largest and second largest areas of lowland ombrotrophic raised mire in Britain. They have low annual precipitation and share insect fauna affinities with counterparts in Poland, Germany and the Baltic States (Eversham 2000). They are considered to be western outliers of Continental type mires rather than the more usual Atlantic type found in Britain (Eversham 2000). As such, they are the only surviving mires of this type in Britain (Eversham, Skidmore and Buckland 1995). Thorne Moors is completely surrounded by intensive arable farmland, except for an area where the disused Thorne Colliery and associated spoil mound adjoin the village of Moorends.
Thorne and Crowle are on the route of the Peatlands Way, a 72 km circular walk which connects with the Trans Pennine Trail.
Accommodation can be found for Thorne Moors at Moorends or a little farther away at Thorne. For Hatfield Moors Accommodation can be found at Hatfield Woodhouse or a little further away in Hatfield. There are several points of access for both moors.
Thorne Moors
Thorne Moors comprises Thorne Waste, Snaith & Cowick Moor, Rawcliffe Moor, Goole Moor and Crowle Moor, each defined by parish boundaries. All these areas (collectively referred to here as Thorne Moors unless otherwise stated), are designated as a Site of Special Scientific Interest (SSSI). The Humberhead Peatlands NNR, which previously comprised only parts of Thorne and Hatfield Moors, was at the time of writing of this report expanded to include the whole of Thorne Moors, coinciding with the cessation of peat extraction operations. The Reserve is managed by English Nature, except Crowle Moor, which is administered by the Lincolnshire Wildlife Trust. Thorne Moors qualifies as a Wetland of International Importance under the terms of the Ramsar Convention, 1971, though this has not been ratified for the site yet. Thorne Moors is a Special Area of Conservation (under the European Community Habitats & Species Directive, 1992) as a raised mire capable of regeneration. Similarly Thorne Moors is a Special Protection Area (under the European Community Birds Directive, 1979), because of the nationally important numbers of breeding European Nightjar Caprimulgus europaeus.
The centre of Thorne Moors is located at SE730160, and the ground lies between 1-3m above mean sea level (Ordnance Survey ExplorerTM maps 280 and 291). Agricultural drainage and encroachment have eaten away at the margins of the mire, and large-scale commercial peat winning continued until 2001. Thorne Moors comprises a range of habitat types, from the large dry bare areas where peat winning occurred until recently, through to mature carr and other woodland. Some areas are dominated by birch Betula scrub that is in a stunted state due to the waterlogged nature of the terrain. Around the edges of the moors are small areas of mature oak Quercus woodland and some larger woods of birch, Alder Alnus glutinosa and willow Salix. Long abandoned manual peat diggings in the central areas of the moors have reverted back to semi-natural mire vegetation, interspersed with drier areas resembling heath.
As you enter Moorends over the railway-crossing look for a road on your left called Grange Road, the main access point is from the public right of way footpath, which is found at the far end of Grange Road. There is parking either in the street or at the Moorends recreation ground car park. Walk along the footpath towards the colliery buildings and follow the path to the ‘T’ junction of the colliery road, go across and follow the wide track along the base of the colliery spoil mounds on your right and the fields on your left. After half a km you will reach the edge of the moors, continue along the path and over a metal footbridge. There is an English Nature (EN) sign and map here. Thorne Moors has at least 30km of footpaths, many are a grid of raised pathways (trams) that were left after the dismantling of the narrow-gauge railway that was used for removing the peat.
There are many good birding areas all over the moors. As you walk along the public footpath past the disused colliery it is worth looking for Northern Wheatears, Black Redstart and Great Grey Shrike. Rarities here have included Richard’s Pipit on the colliery spoil mounds.
From the metal footbridge you can continue by several routes, if you take any route to the N you will after a short time come to Fison’s Road, the main limestone road that runs E-W across the centre of the reserve. Along this road to your S there is heather and birch scrub and to the N a series of large shallow lagoons (flooded workings), made as part of the restoration project after peat extraction ceased in 2001 to provide optimal conditions for sphagnum growth. The birding along the road and around the lagoons is good at any time of year and all day can be spent carefully checking this area using the raised paths for access and the peat observation mounds that dot the area.
Depending on time of year many species can occur, in winter look for Hen Harrier and the occasional Marsh Harrier, though the latter are present all through summer. Check the often large gull roost for rarer species, and the large flocks of ducks, mainly Mallard, Teal, Northern Shoveler, Eurasian Wigeon and Northern Pintail for other species. On passage there are large movements of Meadow Pipits, wagtails, hirundines and Common Swift, some remaining throughout summer. Along the road look for Whinchats and Stonechats and on summer nights try for European Nightjars (EN do guided nightjar walks see below). Rarities here have included Lesser Yellowlegs, White-rumped Sandpiper, Temminck’s Stint, Pectoral Sandpiper and Caspian Tern. Further N and a little E in this area, is the area known as Shoulder o’ Mutton, where in 1974 a Killdeer was found and watched by several observers.
Heading further E you will reach the willow and birch carr woodland of Will Pits. There are many paths through here. In summer this is the best area for Common Nightingales and check the tit flocks for Lesser-spotted Woodpecker. At the east end of the wood you reach the ‘T’ junction of the road and the large Swinefleet Warping Drain. Going N you can pass the wood then take one of 2 trams back W to the lagoons, in the marsh alongside these trams good numbers of Jack Snipe winter. A Stone Curlew was found along here in recent years. If instead of going along the tram W you continue to the N edge you can walk along the peat birding the peripheral woodlands. From the road ‘T’ junction at Will Pits you can also head S, past the wood and EN maintenance shed to Will Pits Scrape, which is always worth a look (recently White-fronted Goose). Going further S takes you past an area of birch scrub called Pony Bridge Marsh, where Bluethroats (White-spotted) bred one year and return for several other years in succession. These are the extracts from the Annual Reports
'1996
Bluethroat Luscinia svecica Listed by the Rare Breeding Birds Panel.
On the late afternoon of 2nd June, Martin Limbert located, at first by a persistent ‘chip’ call, a male ‘White-spotted’ Bluethroat L.c. cyanecula at an area of stunted and burnt over birch scrub along a track on Pony Bridge Marsh close to Angle Drain. ML informed BPW who arrived alone at 19.30hrs, and immediately located the male close-by, a second much duller Bluethroat appeared some distance behind the first bird and on the very brief (unfocused) views was either another duller male or a female. PCR and JMR then arrived and viewed both birds. Further detailed observations revealed that two pairs were actually present and that both pairs raised two broods; there was also an unmated third male present. The last bird, which was a male, was seen on 31st July. This is the first known breeding of this race in Britain and the only known nesting of Bluethroats in England. A full account appears in Bluethroats at Thorne: an Observational Diary (ML & PCR).
1997
Bluethroat Luscinia svecica Listed by the Rare Breeding Birds Panel.
Two male ‘White-spotted’ Bluethroats L.c. cyanecula appeared on Thorne Moors again at Pony Bridge Marsh on 6th April and remained holding territories until 22nd June, but no breeding took place due to an absence of females (ML, BPW, PCR, JMR et. al.). A full account appears in Bluethroats at Thorne: an Observational Diary (ML & PCR).
1998
Bluethroat Luscinia svecica
A lone male ‘White-spotted’ Bluethroat L.c. cyanecula was seen on 29th March again at Pony Bridge Marsh, and remained until 30th June, but again no breeding took place since it was the only bird (ML, BPW, PCR, JMR et. al.). A full account appears in Bluethroats at Thorne: an Observational Diary (ML & PCR).
1999
Bluethroat Luscinia svecica
For the fourth year in succession ‘White-spotted’ Bluethroats L.c. cyanecula appeared on Thorne Moors. A lone male was present at Pony Bridge Marsh from 30th March until 1st April only (ML, PCR). A full account appears in Bluethroats at Thorne: an Observational Diary (ML & PCR).'
Obviously these Bluethroat records were not included in the printed reports of the time because of the species listing by the Rare Breeding Birds Panel. The records have been retro-fitted in.
Further S still is the flooded willow and birch area of Pony Bridge Wood at the SE corner. Here you can walk around the wood or take the tram on the N side heading back W. As you head W the wood becomes birch scrub, here and the central area towards the road are good for European Nightjars, and Long-eared Owls. Coming to the SW corner look out for the odd Tree Pipit, you will then reach the oak and lime wood of Woodpecker Corner, good for woodpeckers and Treecreeper. Along the boundary drain of the W edge heading back towards the colliery look for Green Sandpiper in the drain and marsh. Rarities here have included White-tailed Eagle and Night Heron.
By now the colliery mounds will be in view and the large reedbeds and hawthorn scrub will produce a good selection of finches and thrushes (big roosts in winter), buntings, warblers and tits, including Willow Tit. Bullfinches are frequent here as are Reed Buntings along the field edges.
From the metal footbridge at the entrance to the reserve an alternative route is to go straight E along a long tram for a couple of km until you reach the centre of the moors where there is a metal observation platform. This platform is very popular for watching raptors, especially the always entertaining Hobbies in summer, also in summer Marsh Harriers and quartering Long-eared Owls (at night mostly) are present. Any time of year can be good for Peregrine, though these are more often encountered around the lagoons, Common Buzzards are sometimes seen as well and Eurasian Sparrowhawks and Common Kestrel are frequent. In winter look out for Merlin and Hen Harrier.
Hatfield Moors
From the M18 (junction 5, near M180 junction 1), head S to Hatfield Woodhouse on the A18, there then is a left turn onto the A614 about 2km from the motorway. On entering Hatfield Woodhouse as you go round a right bend, on the left is a road called Remple Lane, continue along the left fork (Hollinbridge Lane), go down here and out past the houses to the fields and follow the narrow country lane until you reach a farm track where the road goes over a narrow bridge. Follow the road over the bridge (Turf Moor Road, then Moor Dike Road) and continue past some isolated houses and farms until you see the trees on the moor’s edge. Continue along Lindholme Bank Road, and through the first trees to a sharp left bend in the road, just after rounding this on your right is the EN parking area, with information board and map. From the A614 to the parking area is about 5km (3 miles).
From the parking area you can walk around a large area of disused gravel pits. There are other areas to bird as well as along the road, though further on the road is private access. Some parts of Hatfield Moors are still off-limits, as restoration work with heavy machinery continues, check with EN if you want to explore elsewhere on this moor. On the N edge of the moor Scotts peat mill is still operational (now using imported peat) and access from there requires prior arrangements with Scotts.
Main trails are
Access from Wroot or from Boston Park Access (A614).
Boston Park walk (2.7km) goes in a loop past gravel workings to bird hide and around lake.
Packard’s Trail (5.6km) as above but continues through Packard’s Heath and round Badger Corner looping back to start.
Badger Corner Lake Trail (4.4km) goes from Wroot access around Badger Corner and lake.
Wroot Trail (8.3km) goes similar to Packard’s Trail but from Wroot access.
Red Bridge Trail (6km) goes from Boston Park to Ten Acre Lake to the N.
The Peatlands Way Long Distance Footpath section here is between Wroot and goes N past Ten Acre Lake to Hatfield Woodhouse.
Hatfield Moors is geologically very interesting with the raised middle sand and gravel area of Lindholme Island being of glacial moraine from the last ice-age. This wood and heath area has its own special flora and fauna. Indeed the whole Humberhead Peatlands National Nature Reserve is very rich with the site having the 3rd largest insect list in the British Isles.
Threats include groundwater extraction and a proposed 25 wind turbines.
Guided Walks:
www.english-nature.org.uk/about/teams/Events.asp?Id=3
Thorne & Hatfield Moors Conservation Forum:
www.thmcf.org/index.htm
Species Notes
D. Species that would otherwise appear in the main list, except there is reasonable doubt that they have ever occurred in a natural state. E. Species that are escapes etc. and have not occurred in a wild state.
Bar-headed Goose Anser indicus
Only record on 6th December 1971.
Red-tailed Hawk Buteo jamaicensis
Only record on 14th and 2lst January 1996.
Harris Hawk Parabuteo unicinctus
Observed flying in 'Middle Moor' area in summer 2000, the bird had jesses (RW).
Cockatiel Nymphicus hollandicus
Only record on 26th December 1997.
Budgerigar Melopsittacus undulates
Only record one at Inkle Moor on an unrecorded date in 1970s.
Lovebird Agapornis spp.
At Will Pits Scrape on 10th August 2001, and provisionally identified as Nyasa Lovebird Agapornis lilianae.
Common Waxbill Estrilda astrild
Only record of a juvenile at west end of Jones Cable on 20th June 1983.
Oriole Icterus spp.
(Colin Wall)
Mammals
For both moors a total of 25 species of mammal have been recorded, 10 are RDB. Both moors are well known strongholds of the Water Vole, and studies and management work to help this fastest declining British mammal is ongoing.
Western Hedgehog Erinaceus europaeus
Common Shrew Sorex araneus
Pygmy Shrew Sorex minutus
Water Shrew Neomys fodiens
Mole Talapa europaea
Whiskered Bat Myotis mystacinus
Daubenton’s Bat Myotis daubentonii
Common Pipistrelle Pipistrellus pipistrellus
Noctule Bat Nyctalus noctula
Red Fox Vulpes vulpes
Stoat Mustela erminea
Weasel Mustela nivalis
American Mink Mustela lutreola (introduced)
Badger Meles meles
Reeves’ Muntjac Muntiacus reevesi (introduced)
Red Deer Cervus elaphus
Roe Deer Capreolus capreolus
Grey Squirrel Sciurus carolinensis (introduced)
Bank Vole Clethrionomys glareolus
Water Vole Arviola terrestris
Field Vole Microtus agrestis
Wood Mouse Apodemus sylvaticus
Brown Rat Rattus norvegicus
Brown Hare Lepus campensis
Rabbit Oryctolagus coniculus
Herptiles
Grass Snake Natrix natrix
Adder Vipera berus
Common Lizard Lacerta vivipara
Smooth Newt Triturus vulgaris
Great-crested Newt Triturus cristatus
Common Toad Bufo bufo
Common Frog Rana temporaria
Great-crested Newt is no longer found on Thorne Moors.
The following list of Thorne Moors fish is taken from THMCF Technical Report No. 13, by Martin Limbert. Many are introduced.
European Eel
Pike
Atlantic Salmon
Goldfish
Carp
Common Bream
Roach
Rudd
Tench
Three-spined Stickleback
Ten-spined Stickleback
Eurasian Perch
Invertebrates
The huge invertebrate list stands at 4790 species (a quarter of the British list), placing it 3rd highest in rank of species for Britain after the New Forest and Windsor Great Park. The list includes 250 scarce species and 30+ Red Data species (including Bembidium humeral (RDB1), Curimopsis nigrita (RDB1) and Phaonia jaroschewskii (RDB2)) (www.thmcf.org/index.htm).
A new book treats all the invertebrates of the area and is available from Thorne and Hatfield Moors Conservation Forum. The book includes some excellent colour artwork by the author.
Skidmore, P. (2007) An Inventory of the Invertebrates of Thorne and Hatfield Moors. Thorne and Hatfield Conservation Forum, Doncaster. £15.00
Butterflies of Thorne Moors
Hesperiidae (skippers)
Small Skipper Thymelicus sylvestris
Large Skipper Ochlodes venata
Dingy Skipper Erynnis tages
Grizzled Skipper Pyrgus malvae
Pieridae (whites and yellows)
Clouded Yellow Colias croceus
Brimstone Gonepteryx rhamni
Large White Pieris brassicae
Small White Pieris rapae
Green-veined White Pieris napi
Orange-tip Anthocharis cardamines
Lycaenidae (blues, coppers and hairstreaks)
Green Hairstreak Callophrys rubi
Small Copper Lycaena phlaeas
Silver-studded Blue Plebejus argus
Holly Blue Celastrina argiolus
Common Blue Polyommatus icarus
Nymphalidae (nyphalids-brush-footed butterflies)
Red Admiral Vanessa atalanta
Painted Lady Vanessa cardui
Small Tortoiseshell Aglais urticae
Peacock Inachis io
Comma Polygonum c-album
Dark-green Fritillary Argynnis aglaja
Satyridae (browns)
Wall Brown Lasiommata megera
Grayling Hipparchia semele
Gatekeeper Pyronia tithonus
Meadow Brown Maniola jurtina
Small Heath Ceononympha pamphilus
Large Heath Ceononympha tullia
Ringlet Aphantopus hyperantus
Dragonflies and Damselflies
Aeshnidae (Hawkers)
Emperor Dragonfly Anax imperator
Brown Hawker Aeshna grandis
Southern Hawker Aeshna cyanea
Common Hawker Aeshna juncea
Scarce Hawker Aeshna mixta
Corduliidae (Emeralds)
Downy Emerald Cordulia aenea
Libellulidae (Chasers and Darters)
Four-spotted Chaser Libellula quadrimaculata
Broad-bodied Chaser Libellula depressa
Common Darter Sympetrum striolatum
Ruddy Darter Sympetrum sanguineum
Black Darter Sympetrum scoticum
[White-faced Darter Leucorrhinia dubia
Coenagiidae (Damselflies)
Large Red Damselfly Pyrrhosoma nymphula
Blue-tailed Damselfly Ischnura elegans
Common Blue Damselfly Enallagma cyathigerum
Azure Damselfly Coenagrion puella
Lestidae (Damselflies)
Emerald Damselfly Lestes sponsa
Agriidae (Damselflies)
Banded Agrion Agrion splendens
Note: White-faced Dragonfly no longer occurs on Thorne Moors. Emperor Dragonflies and others may be rare. The Black Darter is listed as Sympetrum danae in The Insects of Thorne Moors (Sorby Record No.23 Supplement 1985, Skidmore, Limbert and Eversham). In the same journal the Hairy Dragonfly Brachytron pratense is listed in square brackets, showing it to have been an erroneous or unproven record.
Flora
For both moors combined 392 species of plant have been recorded, with at least 4 insectivorous species and 4 RDB (including one of the only sites in Britain for Greater Yellow Rattle).
For further information about the Humberhead Peatlands National Nature Reserve and information on guided walks (European Nightjars included) please contact Kevin Bull, English Nature Site Manager, 2 Dykes Marsh Farm Cottages, Marsh Lane, near Moorends, Doncaster, South Yorkshire, DN8 4JT. Tel. 01405 740640.
References
Eversham, B.C. (2000) SSSI boundaries of the Humberhead peatlands: ecological and geomorphological considerations in determining the boundaries of the Sites of Special Scientific Interest at Thorne and Hatfield Moors. Thorne & Hatfield Moors Conservation Forum Technical Report No. 6.
Eversham, B.C., P. Skidmore and P.C. Buckland (1995) Invertebrates as indicators of lowland bogs in eastern England: some British bogs in a European context. In: P.T. Harding and I. Valovirta (editors) 9th Colloquium of the European Invertebrates Survey: Bioindicators at a pan-European Level. Helsinki, 3rd-4th September 1993. Institute of Terrestrial Ecology, Abbots Ripton.
Limbert, M. and Roworth, P.C. (1999) Bluethroats at Thorne: an Observational Dairy, Doncaster and District Ornithological Society, Doncaster.
Penny Anderson Associates (2000) Consultant Ecologists.
Thorne and Hatfield Moors Conservation Forum
Wainwright, B.P. (2004) Habitat Preferences of Rufous Nightingale Luscinia megarhynchus on Thorne Moors. Thorne & Hatfield Moors Conservation Forum Technical Report No. 11.
Author: B.P. Wainwright. All lists originally produced by B.P. Wainwright, unless otherwise stated.
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