Hertfordshire Bird Atlas Abundance Map

Skylark

Alauda arvensis

SP81W - Buckland ()

SP81S - Draytonmead Farm ()

SP81X - Long Marston ()

SP81T - Thistlebrook Farm (2.25)

SP81Y - Alnwick Farm (0.50)

SP81Z - Crafton ()

SP90V - Meadhams Farm ()

SP90W - Orchard Leigh (1.25)

SP90X - Whelpley Hill Farm (12.00)

SP90I - Cholesbury (0.50)

SP90N - Hawridge Common (0.75)

SP90T - Hockeridge Wood (0.75)

SP90Y - Berkhamsted S ()

SP90E - Spencersgreen ()

SP90J - Hastoe ()

SP90P - Champneys ()

SP90U - Northchurch ()

SP90Z - Berkhamsted N (0.75)

SP91A - Tring W (40.00)

SP91F - Tring E ()

SP91K - New Ground (16.25)

SP91Q - Norcott Hill (45.00)

SP91V - Berkhamsted Common (1.33)

SP91B - Little Tring (5.00)

SP91G - New Mill (0.25)

SP91L - Aldbury Nowers (0.75)

SP91R - Aldbury (0.25)

SP91W - Little Gaddesden ()

SP91C - Wilstone ()

SP91H - College Lake (1.00)

SP91M - Pitstone Hill (5.00)

SP91X - Ringshall ()

SP91D - West End Farm (1.00)

SP91E - Mentmore (1.00)

TL00A - Flaunden ()

TL00F - Belsize ()

TL00K - Chipperfield ()

TL00Q - Berrybushes Wood ()

TL00V - Abbots Langley ()

TL00B - Bovingdon (0.67)

TL00G - Bulstrode (1.00)

TL00L - Whippendell Bottom (6.25)

TL00R - Kings Langley ()

TL00W - Bedmond (4.25)

TL00C - Bovingdon Airfield (1.50)

TL00H - Westbrook Hay ()

TL00M - Apsley ()

TL00S - Nash Mills ()

TL00X - Pimlico (0.75)

TL00D - Broadway Farm ()

TL00I - Chaulden ()

TL00N - Hemel Hempstead ()

TL00T - Adeyfield ()

TL00Y - Leverstock Green (1.50)

TL00E - Potten End ()

TL00J - Boxted Farm ()

TL00P - Gadebridge (5.25)

TL00U - Grovehill ()

TL00Z - Buncefield ()

TL01A - Nettleden ()

TL01F - Great Gaddesden ()

TL01K - Briden's Camp (1.00)

TL01Q - Easbrookhay Farm ()

TL01V - The Aubreys (2.25)

TL01B - Hudnall (0.50)

TL01G - Widmore Farm ()

TL01L - Gaddesden Row (0.25)

TL01R - Puddephat's Farm (2.50)

TL01W - Rabbitfield Spring (27.00)

TL01C - Studhamhall Farm ()

TL01H - Clement's End (2.25)

TL01M - Beechwood House (2.00)

TL01S - Flamstead (5.75)

TL01X - Friar's Wash (0.25)

TL01I - Dedmansey Wood (1.50)

TL01N - Markyate W (8.75)

TL01T - Markyate E (4.75)

TL01Y - Pepsal End (5.50)

TL01P - Kensworth Lynch (1.25)

TL01U - Caddington (5.25)

TL01Z - Slip End ()

TL02Y - Galley Hill (12.25)

TL02Z - Barton Hill Farm (7.00)

TL03V - Barton-le-Clay (2.75)

TL10A - Kingswood ()

TL10F - Bricket Wood Common ()

TL10K - Netherwylde Farm ()

TL10Q - Harperbury (0.25)

TL10V - Shenley ()

TL10B - M25 Junction 21 (6.25)

TL10G - Blackgreen Wood (0.25)

TL10L - Frogmore ()

TL10R - Broad Colney (2.75)

TL10W - Salisbury Hall (10.50)

TL10C - Potters Crouch ()

TL10H - Chiswell Green (1.25)

TL10M - St Julians ()

TL10S - London Colney N ()

TL10X - Tyttenhanger (1.50)

TL10D - Gorhambury (0.50)

TL10I - Praewood Farm (0.50)

TL10N - St Albans ()

TL10T - Fleetville ()

TL10Y - Smallford (2.00)

TL10E - Hogg End (4.50)

TL10J - Batchwood Hall (0.50)

TL10P - New Greens and Townsend (1.00)

TL10U - Marshalswick ()

TL10Z - Beech Farm (0.50)

TL11A - Beaumont Hall (2.25)

TL11F - Hedge's Farm ()

TL11K - Cheapside Farm (2.50)

TL11Q - Sandridge (1.00)

TL11V - Symonshyde Great Wood (1.50)

TL11B - Harpendenbury (1.25)

TL11G - Hatching Green ()

TL11L - Harpenden SE ()

TL11R - Nomansland ()

TL11W - Coleman Green (2.25)

TL11C - Faulkners End Farm (4.00)

TL11H - Harpenden NW ()

TL11M - Batford ()

TL11S - Marshalls Heath (14.00)

TL11X - Bride Hall (1.00)

TL11D - West Hyde (6.50)

TL11I - East Hyde ()

TL11N - Bower Heath (1.50)

TL11T - Blackmore End (0.50)

TL11Y - Ayot St Lawrence ()

TL11J - Chiltern Green (6.50)

TL11P - Ansells End ()

TL11U - Kimpton (0.25)

TL11Z - Kimpton Mill (2.00)

TL12F - Luton Airport ()

TL12K - Diamond End (6.00)

TL12Q - Bendish (0.50)

TL12V - Whitwell (5.00)

TL12B - Stopsley ()

TL12G - Tea Green (1.25)

TL12L - The Heath (8.00)

TL12R - Kingswalden Park (13.75)

TL12W - Hitch Wood ()

TL12C - Butterfield Green (2.75)

TL12H - Lilley Bottom ()

TL12M - Ley Green (0.25)

TL12S - Preston (1.25)

TL12X - Poynders End ()

TL12D - Lilley (3.00)

TL12I - The Flints ()

TL12N - Great Offley (5.50)

TL12T - Offleyholes Farm (24.33)

TL12Y - Gosmore ()

TL12E - Telegraph Hill (2.33)

TL12J - Little Offley (2.75)

TL12P - Gravehill Plantation (12.25)

TL12U - Hitchin SW (0.25)

TL12Z - Hitchin Hill ()

TL13A - Hexton (0.50)

TL13F - Tingley Wood (6.75)

TL13K - Pirton ()

TL13Q - Oughtonhead Common ()

TL13V - Ickleford ()

TL13B - Higham Gobion (1.75)

TL13G - Apsley End (13.50)

TL13L - Burge End (1.00)

TL13R - Holwell (1.50)

TL13W - Ickleford Common ()

TL13S - Holwellbury (0.25)

TL13X - Arlesey ()

TL20A - Ridge ()

TL20F - South Mimms ()

TL20K - Potters Bar ()

TL20Q - Five Acre Wood ()

TL20V - Barvin Park (4.50)

TL20B - Redwell Wood Farm (13.75)

TL20G - Royal Veterinary College ()

TL20L - Swanley Bar (0.25)

TL20R - Queenswood ()

TL20W - Northaw (1.00)

TL20C - North Mymms Park ()

TL20H - Welham Green ()

TL20M - Bell Bar ()

TL20S - Kentish Lane Farm (5.50)

TL20X - Great Wood County Park (1.00)

TL20D - Roehyde (0.25)

TL20I - South Hatfield (1.25)

TL20N - Woodside (3.50)

TL20T - Wildhill ()

TL20Y - Little Berkhamsted ()

TL20E - Hatfield Aerodrome (2.25)

TL20J - Birchwood (0.25)

TL20P - Home Park ()

TL20U - Essendon (4.75)

TL20Z - Howe Green (0.25)

TL21A - Cromerhyde Farm (7.25)

TL21F - Stanborough ()

TL21K - Hatfield Hyde ()

TL21Q - Holwell Court Farm (0.25)

TL21V - Letty Green (1.75)

TL21B - Brocket Park ()

TL21G - Sherrardspark ()

TL21L - Peartree ()

TL21R - Panshanger Aerodrome ()

TL21W - Panshanger Stables ()

TL21C - Ayot St Peter (3.75)

TL21H - Digswell Park ()

TL21M - Digswell ()

TL21S - Tewin ()

TL21X - Bramfield (0.67)

TL21D - Pulmer Water ()

TL21I - Welwyn ()

TL21N - Harmergreen Wood (0.75)

TL21T - Bull's Green (0.25)

TL21Y - Bramfield Woods (7.00)

TL21E - Codicote (0.50)

TL21J - Tagmore Green (4.75)

TL21P - Woolmer Green (2.00)

TL21U - Datchworth (1.25)

TL21Z - Watkin's Hall Farm (12.00)

TL22A - Rusling End (0.33)

TL22F - Old Knebworth (0.25)

TL22K - Knebworth ()

TL22Q - Bragbury End (0.25)

TL22V - Frogmore Hall ()

TL22B - Langley Bottom (0.75)

TL22G - Norton Green ()

TL22L - Broadwater ()

TL22R - Aston (0.50)

TL22W - Benington Lordship (1.00)

TL22C - Almshoe Bury (5.00)

TL22H - Stevenage Old Town ()

TL22M - Pin Green ()

TL22S - Chells Manor ()

TL22X - Walkern Lodge (3.50)

TL22D - Titmore Green (1.00)

TL22I - Lister Hospital (1.75)

TL22N - Chesfield Park (0.50)

TL22T - Boxbury Farm (1.00)

TL22Y - Walkern (3.25)

TL22E - Great Wymondley ()

TL22J - Rowley Court (5.50)

TL22P - Damask Green (0.25)

TL22U - Hall's Green ()

TL22Z - Cromer (1.75)

TL23A - Letchworth Hall Hotel ()

TL23F - Willian ()

TL23K - Lannock Manor (4.50)

TL23Q - Weston (0.50)

TL23V - Kingswoodbury (1.50)

TL23B - Letchworth West ()

TL23G - Letchworth East ()

TL23L - Baldock (1.25)

TL23R - Bird Hill (20.00)

TL23W - Wallington (3.00)

TL23C - Letchworth Sewage Works ()

TL23H - Norton and Radwell (1.33)

TL23M - Bygrave Common (9.25)

TL23S - The Firs (2.25)

TL23X - Bygrave Lodge Farm ()

TL23I - A1(M) Junction 10 (0.75)

TL23N - Newnham (2.00)

TL23T - Bygrave (1.25)

TL23Y - Slip End ()

TL23J - Caldecote (3.75)

TL23P - Newnham Hill (22.00)

TL23U - Ashwell (12.50)

TL23Z - Ashwell and Morden Station (4.25)

TL24F - Hinxworth ()

TL24K - Ashwell End (14.25)

TL24Q - Cold Harbour (0.50)

TL24V - Gatley ()

TL24L - Dunton Lodge Farm (0.33)

TL24R - Guilden Morden S (20.50)

TL24S - Guilden Morden N (0.25)

TL30A - Cattlegate Farm ()

TL30F - Theobalds Manor (0.25)

TL30K - Theobalds Park ()

TL30Q - Bowyers Water ()

TL30B - Cuffley ()

TL30G - Goff's Oak ()

TL30L - Flamstead End ()

TL30R - Seventy Acres Lake ()

TL30C - Newgate Street (0.75)

TL30H - Hammond Street ()

TL30M - Wormleybury ()

TL30S - Turnford ()

TL30D - Blackfan Wood (3.25)

TL30I - Cowheath Wood ()

TL30N - Carneles Green ()

TL30T - Broxbourne ()

TL30Y - Nazeing Mead ()

TL30E - Bayford ()

TL30J - Monks Green (0.25)

TL30P - Goose Green (0.50)

TL30U - Hoddesdon ()

TL30Z - Rye House Station ()

TL31A - Bayfordbury (0.75)

TL31F - Brickendonbury ()

TL31K - Hertford Heath ()

TL31Q - St Margarets (1.00)

TL31V - Stanstead Abbotts ()

TL31B - Hertford North Station ()

TL31G - Hertford (1.00)

TL31L - Rush Green ()

TL31R - Great Amwell ()

TL31W - Little Briggens ()

TL31C - Waterford (5.75)

TL31H - Ware Park Farm (0.50)

TL31M - Ware ()

TL31S - Great Cozens (12.50)

TL31X - Wareside (0.50)

TL31D - Stapleford ()

TL31I - Tonwell (1.50)

TL31N - Wadesmill ()

TL31T - Fabdens (10.00)

TL31Y - Bakers End ()

TL31E - Watton at Stone ()

TL31J - Sacombe (24.75)

TL31P - Sacombe Green (0.25)

TL31U - High Cross (0.50)

TL31Z - Barwick (17.75)

TL32A - Whempstead (28.50)

TL32F - Dane End (0.50)

TL32K - Potter's Green (1.00)

TL32Q - Colliers End ()

TL32V - Latchford (10.00)

TL32B - Burn's Green (2.00)

TL32G - Haultwick (0.75)

TL32L - Levens Green (1.00)

TL32R - Old Hall Green (0.25)

TL32W - Standon ()

TL32C - Clay End ()

TL32H - Wood End (1.50)

TL32M - Great Munden (0.75)

TL32S - Hamels Park (1.25)

TL32X - Braughing (0.25)

TL32D - Ardeley ()

TL32I - Moor Green (0.25)

TL32N - Whatbarn Farm (7.75)

TL32T - Westmill ()

TL32Y - Dassels (10.75)

TL32E - Bancroft Farm (43.75)

TL32J - Cottered (2.00)

TL32P - Aspenden Hall (3.00)

TL32U - Buntingford ()

TL32Z - Hare Street (11.50)

TL33A - Rushden (3.00)

TL33F - Broadfield Hall (3.50)

TL33K - Little Butter Hill (36.50)

TL33Q - Wyddial (0.25)

TL33V - Silkmead Farm (14.00)

TL33B - Roe Green (0.75)

TL33G - Green End (1.50)

TL33L - Buckland Bottom (5.25)

TL33R - Capons Wood (9.25)

TL33W - Cave Gate (1.50)

TL33C - Wheat Hill ()

TL33H - Philpott's Wood ()

TL33M - The Homestead (3.50)

TL33S - Strawberry Grove ()

TL33X - Barkway (1.50)

TL33D - Crouch Hill (2.00)

TL33I - Kelshall ()

TL33N - Reed End (16.00)

TL33T - Reed (0.50)

TL33Y - Newsells ()

TL33E - Lower Coombe Farm (1.50)

TL33J - Church Hill (2.50)

TL33P - Mile End Farm (1.50)

TL33U - Whiteley Hill (7.25)

TL33Z - Barley (6.75)

TL34F - Highfield Farm (9.75)

TL34K - Royston W (16.75)

TL34Q - Royston E ()

TL34V - Noon's Folly Farm ()

TL34L - Beauval Farm ()

TL34R - Holland Hall (0.75)

TL41A - Briggens Park (1.50)

TL41F - Eastwick ()

TL41K - Harlow Town Station ()

TL41B - Hunsdonbury (3.25)

TL41G - Eastwick Hall Farm (6.50)

TL41L - Gilston Park ()

TL41R - Rowney Farm ()

TL41W - Durrington Hall (22.50)

TL41C - Hunsdon (1.25)

TL41H - Hunsdon Lodge Farm (9.50)

TL41M - Stonards (1.50)

TL41S - High Wych (5.00)

TL41X - Sawbridgeworth ()

TL41D - Little Blakesware (1.25)

TL41I - Perry Green ()

TL41N - Allen's Green (4.50)

TL41T - Trims Green (4.75)

TL41Y - Spellbrook (0.25)

TL41E - Kettle Green (0.50)

TL41J - Much Hadham ()

TL41P - Green Tye (1.00)

TL41U - Thorley (2.50)

TL41Z - Thorley Street ()

TL42A - Bromley (15.25)

TL42F - Hadham Ford (0.75)

TL42K - Bury Green (0.50)

TL42Q - Stortford Park ()

TL42V - Bishop's Stortford ()

TL42B - Wellpond Green (3.00)

TL42G - Albury End (3.25)

TL42L - Hadham Hall (1.75)

TL42R - Wickham Hall (1.00)

TL42W - Foxdells Farm ()

TL42C - Braughing Friars (34.75)

TL42H - Albury ()

TL42M - Clapgate (1.25)

TL42S - Farnham (4.00)

TL42X - Hazel End (1.50)

TL42D - Bozen Green (5.00)

TL42I - Furneux Pelham (3.00)

TL42N - Hixham Hall ()

TL42T - Mallows Green (6.00)

TL42E - Little Hormead (0.50)

TL42J - Whitebarns (1.50)

TL42P - Stocking Pelham ()

TL43A - Brick House Farm (0.50)

TL43F - Brent Pelham (8.75)

TL43K - Starling's Green (0.75)

TL43B - Anstey (0.75)

TL43G - Meesden (4.25)

TL43L - Further Ford End (1.50)

TL43C - Nuthampstead (0.75)

TL43H - Langley Lawn (2.75)

TL43D - Abbotsbury Farm (11.50)

TL43I - Chrishall Common ()

TL43E - Chishall Windmill (24.00)

TL44A - Clay Hill (19.00)

TL51C - Gladwyns (4.00)

TL52A - Start Hill (0.50)

TL52F - Tilekiln Green ()

TL52B - Birchanger ()

TL52C - Stansted Mountfitchet ()

TQ09A - Chalfont St Peter ()

TQ09F - West Hyde (0.25)

TQ09K - Harefield ()

TQ09Q - Battlers Wells Farm ()

TQ09V - Northwood ()

TQ09B - Chalfont Common (0.50)

TQ09G - Maple Cross (0.50)

TQ09L - Stocker's Lake (0.50)

TQ09R - Batchworth Heath ()

TQ09W - Moor Park ()

TQ09C - Chorleywood West ()

TQ09H - Chorleywood Bottom (2.25)

TQ09M - Rickmansworth ()

TQ09S - Croxley Green ()

TQ09X - Holywell ()

TQ09I - Chorleywood Common ()

TQ09N - Loudwater ()

TQ09T - Whippendell Wood ()

TQ09Y - Cassiobury Park ()

TQ09E - Chenies ()

TQ09J - Sarratt Bottom ()

TQ09P - Sarratt ()

TQ09U - Chandler's Cross (0.25)

TQ09Z - Leavesden Green ()

TQ19A - Pinnerwood Park ()

TQ19B - Oxhey Wood ()

TQ19G - Carpenders Park ()

TQ19L - Bentley Priory ()

TQ19C - Oxhey ()

TQ19H - Bushey (0.25)

TQ19M - Bushey Heath ()

TQ19S - Aldenham Reservoir ()

TQ19X - Edgewarebury (0.75)

TQ19D - Watford ()

TQ19I - Bushey Hall (0.25)

TQ19N - Letchmore Heath (1.25)

TQ19T - Aldenham Park ()

TQ19Y - Borehamwood ()

TQ19E - North Watford ()

TQ19J - M1 Junction 5 ()

TQ19P - Batlers Green ()

TQ19U - Radlett ()

TQ19Z - Kitwells Farm ()

TQ29C - Sterling Corner (0.25)

TQ29D - Rowley Green ()

TQ29I - Galley Lane Farm ()

TQ29N - High Barnet ()

TQ29E - Buckettsland Farm ()

TQ29J - Dancers Hill (0.25)

TQ29P - Wrotham Park ()

TQ29U - Hadley Wood (6.00)

TQ39U - Enfield Lock ()

Major towns Important bird sites 10km Square IDs

Mean hourly count

0 - <0.50

0.50 - <1.25

1.25 - <2.50

2.50 - <6.25

6.25 or more

This map shows the relative abundance data from TTVs, plotted as mean hourly counts.

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1967-73 Breeding Atlas

1981-84 Winter Atlas

1988-92 Breeding Atlas

2007-12 Winter Atlas

2008-12 Breeding Atlas

1967 vs 1998 Change

1998 vs 2008 Change

2007-12 Winter Abundance

2008-12 Breeding Abundance

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