House Martin

Delichon urbicum

 

 

SP81W - Buckland () SP81S - Draytonmead Farm () SP81X - Long Marston (0.50) SP81T - Thistlebrook Farm () SP81Y - Alnwick Farm () SP81Z - Crafton (1.00) SP90V - Meadhams Farm () SP90W - Orchard Leigh () SP90X - Whelpley Hill Farm (13.33) SP90I - Cholesbury () SP90N - Hawridge Common () SP90T - Hockeridge Wood () SP90Y - Berkhamsted S () SP90E - Spencersgreen () SP90J - Hastoe () SP90P - Champneys (4.00) SP90U - Northchurch () SP90Z - Berkhamsted N (0.67) SP91A - Tring W () SP91F - Tring E () SP91K - New Ground (7.00) SP91Q - Norcott Hill () SP91V - Berkhamsted Common () SP91B - Little Tring (15.00) SP91G - New Mill () SP91L - Aldbury Nowers () SP91R - Aldbury (8.50) SP91W - Little Gaddesden () SP91C - Wilstone (6.00) SP91H - College Lake (1.00) SP91M - Pitstone Hill (8.25) SP91X - Ringshall (0.50) SP91D - West End Farm () SP91E - Mentmore (2.25) TL00A - Flaunden () TL00F - Belsize (1.00) TL00K - Chipperfield () TL00Q - Berrybushes Wood () TL00V - Abbots Langley (0.50) TL00B - Bovingdon (2.50) TL00G - Bulstrode () TL00L - Whippendell Bottom () TL00R - Kings Langley (1.50) TL00W - Bedmond (2.75) TL00C - Bovingdon Airfield (0.25) TL00H - Westbrook Hay () TL00M - Apsley (3.33) TL00S - Nash Mills (0.25) TL00X - Pimlico () TL00D - Broadway Farm (1.00) TL00I - Chaulden () TL00N - Hemel Hempstead (0.50) TL00T - Adeyfield () TL00Y - Leverstock Green () TL00E - Potten End () TL00J - Boxted Farm () TL00P - Gadebridge (2.50) TL00U - Grovehill (5.00) TL00Z - Buncefield () TL01A - Nettleden () TL01F - Great Gaddesden (0.50) TL01K - Briden's Camp () TL01Q - Easbrookhay Farm () TL01V - The Aubreys (7.50) TL01B - Hudnall () TL01G - Widmore Farm () TL01L - Gaddesden Row (1.00) TL01R - Puddephat's Farm () TL01W - Rabbitfield Spring (9.75) TL01C - Studhamhall Farm () TL01H - Clement's End () TL01M - Beechwood House (6.00) TL01S - Flamstead () TL01X - Friar's Wash () TL01I - Dedmansey Wood (4.00) TL01N - Markyate W () TL01T - Markyate E () TL01Y - Pepsal End () TL01P - Kensworth Lynch () TL01U - Caddington (0.50) TL01Z - Slip End () TL02Y - Galley Hill () TL02Z - Barton Hill Farm () TL03V - Barton-le-Clay () TL10A - Kingswood () TL10F - Bricket Wood Common () TL10K - Netherwylde Farm () TL10Q - Harperbury (1.25) TL10V - Shenley () TL10B - M25 Junction 21 (0.50) TL10G - Blackgreen Wood () TL10L - Frogmore (4.50) TL10R - Broad Colney () TL10W - Salisbury Hall () TL10C - Potters Crouch (0.50) TL10H - Chiswell Green (1.00) TL10M - St Julians () TL10S - London Colney N () TL10X - Tyttenhanger () TL10D - Gorhambury () TL10I - Praewood Farm (1.00) TL10N - St Albans (1.75) TL10T - Fleetville () TL10Y - Smallford () TL10E - Hogg End () TL10J - Batchwood Hall (2.50) TL10P - New Greens and Townsend (0.25) TL10U - Marshalswick () TL10Z - Beech Farm () TL11A - Beaumont Hall (1.25) TL11F - Hedge's Farm () TL11K - Cheapside Farm () TL11Q - Sandridge (1.50) TL11V - Symonshyde Great Wood (0.50) TL11B - Harpendenbury (1.00) TL11G - Hatching Green () TL11L - Harpenden SE (1.00) TL11R - Nomansland () TL11W - Coleman Green (0.50) TL11C - Faulkners End Farm () TL11H - Harpenden NW (1.00) TL11M - Batford (0.75) TL11S - Marshalls Heath () TL11X - Bride Hall () TL11D - West Hyde (6.75) TL11I - East Hyde (4.50) TL11N - Bower Heath () TL11T - Blackmore End () TL11Y - Ayot St Lawrence () TL11J - Chiltern Green (4.00) TL11P - Ansells End (1.00) TL11U - Kimpton () TL11Z - Kimpton Mill () TL12F - Luton Airport () TL12K - Diamond End (0.25) TL12Q - Bendish () TL12V - Whitwell (1.75) TL12B - Stopsley () TL12G - Tea Green (0.50) TL12L - The Heath (1.50) TL12R - Kingswalden Park (10.50) TL12W - Hitch Wood () TL12C - Butterfield Green () TL12H - Lilley Bottom () TL12M - Ley Green (2.00) TL12S - Preston (1.00) TL12X - Poynders End () TL12D - Lilley (0.25) TL12I - The Flints () TL12N - Great Offley (3.50) TL12T - Offleyholes Farm (1.00) TL12Y - Gosmore (1.00) TL12E - Telegraph Hill () TL12J - Little Offley (1.50) TL12P - Gravehill Plantation (2.75) TL12U - Hitchin SW () TL12Z - Hitchin Hill () TL13A - Hexton (1.00) TL13F - Tingley Wood () TL13K - Pirton () TL13Q - Oughtonhead Common (3.00) TL13V - Ickleford (0.25) TL13B - Higham Gobion (0.25) TL13G - Apsley End () TL13L - Burge End (0.50) TL13R - Holwell () TL13W - Ickleford Common () TL13S - Holwellbury (0.50) TL13X - Arlesey () TL20A - Ridge (1.50) TL20F - South Mimms () TL20K - Potters Bar () TL20Q - Five Acre Wood (1.67) TL20V - Barvin Park () TL20B - Redwell Wood Farm () TL20G - Royal Veterinary College (0.75) TL20L - Swanley Bar (2.00) TL20R - Queenswood () TL20W - Northaw (8.00) TL20C - North Mymms Park () TL20H - Welham Green () TL20M - Bell Bar (5.75) TL20S - Kentish Lane Farm (3.75) TL20X - Great Wood County Park (4.00) TL20D - Roehyde () TL20I - South Hatfield () TL20N - Woodside () TL20T - Wildhill (4.00) TL20Y - Little Berkhamsted () TL20E - Hatfield Aerodrome (2.00) TL20J - Birchwood () TL20P - Home Park () TL20U - Essendon (0.25) TL20Z - Howe Green (4.25) TL21A - Cromerhyde Farm () TL21F - Stanborough () TL21K - Hatfield Hyde (1.00) TL21Q - Holwell Court Farm (2.00) TL21V - Letty Green () TL21B - Brocket Park (1.25) TL21G - Sherrardspark () TL21L - Peartree () TL21R - Panshanger Aerodrome () TL21W - Panshanger Stables (1.00) TL21C - Ayot St Peter () TL21H - Digswell Park (2.00) TL21M - Digswell () TL21S - Tewin () TL21X - Bramfield () TL21D - Pulmer Water () TL21I - Welwyn () TL21N - Harmergreen Wood () TL21T - Bull's Green () TL21Y - Bramfield Woods (1.00) TL21E - Codicote () TL21J - Tagmore Green () TL21P - Woolmer Green (0.50) TL21U - Datchworth (1.00) TL21Z - Watkin's Hall Farm (1.25) TL22A - Rusling End (4.00) TL22F - Old Knebworth (5.75) TL22K - Knebworth () TL22Q - Bragbury End () TL22V - Frogmore Hall () TL22B - Langley Bottom () TL22G - Norton Green () TL22L - Broadwater () TL22R - Aston (0.75) TL22W - Benington Lordship (1.25) TL22C - Almshoe Bury () TL22H - Stevenage Old Town () TL22M - Pin Green () TL22S - Chells Manor (0.50) TL22X - Walkern Lodge () TL22D - Titmore Green (0.50) TL22I - Lister Hospital (0.25) TL22N - Chesfield Park () TL22T - Boxbury Farm () TL22Y - Walkern (3.50) TL22E - Great Wymondley (0.75) TL22J - Rowley Court (0.50) TL22P - Damask Green () TL22U - Hall's Green (2.00) TL22Z - Cromer () TL23A - Letchworth Hall Hotel () TL23F - Willian () TL23K - Lannock Manor (1.75) TL23Q - Weston (4.00) TL23V - Kingswoodbury () TL23B - Letchworth West () TL23G - Letchworth East () TL23L - Baldock () TL23R - Bird Hill () TL23W - Wallington (1.50) TL23C - Letchworth Sewage Works () TL23H - Norton and Radwell () TL23M - Bygrave Common () TL23S - The Firs () TL23X - Bygrave Lodge Farm (1.00) TL23I - A1(M) Junction 10 (2.75) TL23N - Newnham () TL23T - Bygrave (2.00) TL23Y - Slip End (0.25) TL23J - Caldecote (1.50) TL23P - Newnham Hill () TL23U - Ashwell (1.00) TL23Z - Ashwell and Morden Station () TL24F - Hinxworth (5.50) TL24K - Ashwell End (0.75) TL24Q - Cold Harbour () TL24V - Gatley () TL24L - Dunton Lodge Farm () TL24R - Guilden Morden S (0.50) TL24S - Guilden Morden N () TL30A - Cattlegate Farm () TL30F - Theobalds Manor () TL30K - Theobalds Park () TL30Q - Bowyers Water () TL30B - Cuffley () TL30G - Goff's Oak () TL30L - Flamstead End () TL30R - Seventy Acres Lake (0.67) TL30C - Newgate Street () TL30H - Hammond Street () TL30M - Wormleybury () TL30S - Turnford () TL30D - Blackfan Wood () TL30I - Cowheath Wood () TL30N - Carneles Green () TL30T - Broxbourne () TL30Y - Nazeing Mead (1.25) TL30E - Bayford (2.33) TL30J - Monks Green () TL30P - Goose Green () TL30U - Hoddesdon (1.00) TL30Z - Rye House Station () TL31A - Bayfordbury (4.50) TL31F - Brickendonbury () TL31K - Hertford Heath () TL31Q - St Margarets () TL31V - Stanstead Abbotts () TL31B - Hertford North Station (0.50) TL31G - Hertford (2.75) TL31L - Rush Green (1.25) TL31R - Great Amwell (0.25) TL31W - Little Briggens () TL31C - Waterford () TL31H - Ware Park Farm () TL31M - Ware (1.75) TL31S - Great Cozens () TL31X - Wareside () TL31D - Stapleford (2.50) TL31I - Tonwell (5.25) TL31N - Wadesmill (7.00) TL31T - Fabdens (0.50) TL31Y - Bakers End () TL31E - Watton at Stone (5.75) TL31J - Sacombe () TL31P - Sacombe Green (1.75) TL31U - High Cross () TL31Z - Barwick (1.50) TL32A - Whempstead () TL32F - Dane End () TL32K - Potter's Green () TL32Q - Colliers End () TL32V - Latchford (1.75) TL32B - Burn's Green () TL32G - Haultwick (5.25) TL32L - Levens Green (3.50) TL32R - Old Hall Green () TL32W - Standon (0.50) TL32C - Clay End () TL32H - Wood End () TL32M - Great Munden () TL32S - Hamels Park (2.00) TL32X - Braughing (1.75) TL32D - Ardeley (3.00) TL32I - Moor Green () TL32N - Whatbarn Farm () TL32T - Westmill (4.75) TL32Y - Dassels (0.50) TL32E - Bancroft Farm (0.50) TL32J - Cottered (0.25) TL32P - Aspenden Hall (0.50) TL32U - Buntingford (3.00) TL32Z - Hare Street (1.50) TL33A - Rushden () TL33F - Broadfield Hall (2.00) TL33K - Little Butter Hill () TL33Q - Wyddial () TL33V - Silkmead Farm (0.25) TL33B - Roe Green (0.75) TL33G - Green End (0.75) TL33L - Buckland Bottom (1.25) TL33R - Capons Wood (3.00) TL33W - Cave Gate () TL33C - Wheat Hill (2.00) TL33H - Philpott's Wood (1.25) TL33M - The Homestead () TL33S - Strawberry Grove (1.50) TL33X - Barkway (1.50) TL33D - Crouch Hill (1.00) TL33I - Kelshall (1.00) TL33N - Reed End () TL33T - Reed (2.75) TL33Y - Newsells () TL33E - Lower Coombe Farm (3.75) TL33J - Church Hill () TL33P - Mile End Farm (0.25) TL33U - Whiteley Hill (0.75) TL33Z - Barley (3.75) TL34F - Highfield Farm () TL34K - Royston W () TL34Q - Royston E (0.50) TL34V - Noon's Folly Farm () TL34L - Beauval Farm (7.50) TL34R - Holland Hall (1.00) TL41A - Briggens Park (2.25) TL41F - Eastwick (1.00) TL41K - Harlow Town Station () TL41B - Hunsdonbury (0.50) TL41G - Eastwick Hall Farm () TL41L - Gilston Park (0.25) TL41R - Rowney Farm () TL41W - Durrington Hall (3.50) TL41C - Hunsdon (1.25) TL41H - Hunsdon Lodge Farm (1.00) TL41M - Stonards () TL41S - High Wych () TL41X - Sawbridgeworth (3.50) TL41D - Little Blakesware (0.25) TL41I - Perry Green () TL41N - Allen's Green (0.50) TL41T - Trims Green () TL41Y - Spellbrook (0.50) TL41E - Kettle Green (1.00) TL41J - Much Hadham (1.00) TL41P - Green Tye () TL41U - Thorley () TL41Z - Thorley Street (4.00) TL42A - Bromley () TL42F - Hadham Ford () TL42K - Bury Green (1.00) TL42Q - Stortford Park () TL42V - Bishop's Stortford (1.33) TL42B - Wellpond Green (2.50) TL42G - Albury End (1.00) TL42L - Hadham Hall (7.25) TL42R - Wickham Hall (0.75) TL42W - Foxdells Farm (0.50) TL42C - Braughing Friars () TL42H - Albury (1.50) TL42M - Clapgate (4.00) TL42S - Farnham () TL42X - Hazel End (2.50) TL42D - Bozen Green () TL42I - Furneux Pelham () TL42N - Hixham Hall (0.50) TL42T - Mallows Green () TL42E - Little Hormead (1.00) TL42J - Whitebarns () TL42P - Stocking Pelham (0.50) TL43A - Brick House Farm (1.00) TL43F - Brent Pelham (1.50) TL43K - Starling's Green () TL43B - Anstey () TL43G - Meesden () TL43L - Further Ford End () TL43C - Nuthampstead () TL43H - Langley Lawn () TL43D - Abbotsbury Farm () TL43I - Chrishall Common () TL43E - Chishall Windmill (0.25) TL44A - Clay Hill (1.25) TL51C - Gladwyns (1.00) TL52A - Start Hill () TL52F - Tilekiln Green () TL52B - Birchanger (2.00) TL52C - Stansted Mountfitchet () TQ09A - Chalfont St Peter (1.00) TQ09F - West Hyde (2.50) TQ09K - Harefield (1.00) TQ09Q - Battlers Wells Farm () TQ09V - Northwood () TQ09B - Chalfont Common (6.00) TQ09G - Maple Cross () TQ09L - Stocker's Lake () TQ09R - Batchworth Heath () TQ09W - Moor Park () TQ09C - Chorleywood West () TQ09H - Chorleywood Bottom (2.25) TQ09M - Rickmansworth () TQ09S - Croxley Green () TQ09X - Holywell (3.00) TQ09I - Chorleywood Common (1.00) TQ09N - Loudwater () TQ09T - Whippendell Wood (1.00) TQ09Y - Cassiobury Park (2.50) TQ09E - Chenies (1.75) TQ09J - Sarratt Bottom (3.50) TQ09P - Sarratt (1.50) TQ09U - Chandler's Cross (1.00) TQ09Z - Leavesden Green () TQ19A - Pinnerwood Park () TQ19B - Oxhey Wood () TQ19G - Carpenders Park (2.00) TQ19L - Bentley Priory () TQ19C - Oxhey () TQ19H - Bushey () TQ19M - Bushey Heath (5.00) TQ19S - Aldenham Reservoir () TQ19X - Edgewarebury () TQ19D - Watford () TQ19I - Bushey Hall () TQ19N - Letchmore Heath (1.75) TQ19T - Aldenham Park () TQ19Y - Borehamwood () TQ19E - North Watford () TQ19J - M1 Junction 5 () TQ19P - Batlers Green () TQ19U - Radlett () TQ19Z - Kitwells Farm () TQ29C - Sterling Corner () TQ29D - Rowley Green () TQ29I - Galley Lane Farm () TQ29N - High Barnet () TQ29E - Buckettsland Farm () TQ29J - Dancers Hill () TQ29P - Wrotham Park (0.25) TQ29U - Hadley Wood () TQ39U - Enfield Lock ()
Major towns Important bird sites 10km Square IDs

Mean hourly count


0 - <0.50


0.50 - <1.00


1.00 - <1.75


1.75 - <3.50


3.50 or more


Hertfordshire Bird Atlas webpages designed by LTD Design Consultants and built by Garganey Consulting