Welcome to the LDV NNR ringing blog, this blog is designed to share the experiences, findings and tales from a group of dedicated ringers. We specialise in conservation orientated research projects, largely focusing on wildfowl, waders, owls and birds of conservation concern, in and around the Vale of York NNR's.

NB - Whilst the purpose of this blog was initially designed to cover our nationally important wildfowl ringing activities, it now also features wildlife and work posts, explaining how we manage the NNR for both wildlife and people.

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Apr' 25

Lower Derwent Valley NNR - April Sightings


As usual April was rather busy with late winter visitors, spring passage migrants and returning breeding birds, in a month dominated by ongoing drought conditions (in sharp contrast to spring 2024).

Notable highlights included a Wyrneck on Skipwith Common NNR on the morning of the 10th, which was seen by several local birders before disappearing late in the afternoon. On the same date a White-tailed Eagle was reported circling over Elvington Airfield. Perhaps more unusual was a Nightingale picked up over Elvington on the night of the 29th/30th on noc-mig.


A drake Garganey lingered at Wheldrake Ings from the 16th whilst the last of the spring passage Common Scoter passed through the area. Herons and egrets faired well with three Cattle Egrets, four Great White Egrets, a Spoonbill (briefly on 18th), up to six Common Cranes (including a lingering individual) and a White Stork (reported near Pocklington on 29th). Up to 24 calling Water Rails, two Spotted Crakes and a Quail added more nocturnal interest. Wader passage picked up with Grey Plover (3rd) Knot (6th) and a small total of 17 Whimbrel recorded at the spring staging roost. Approximately 1,000 passage Snipe were scattered throughout the site with several Jack Snipe also recorded moving through on return passage. The first Common Terns returned, and a single Arctic was reported on the 23rd.

First returning dates for other migrants included: Willow Warbler and Sedge Warbler (2nd), House Martin (3rd), Yellow Wagtail (7th), Whitethroat (11th), Tree Pipit (12th), Reed Warbler (15th) and the first of seven Grasshopper Warblers (16th). Garden Warbler followed (17th), Ring Ouzel (18th), Hobby and Lesser Whitethroat (19th), Swift (21st) and Whinchat (30th).



Other notable records included three Crossbill over Skipwith Common NNR and 50 Corn Bunting during the second half of the month at the New Meadow wild bird crop at North Duffield. 

Many thanks to everyone who contributed records and counts throughout the month, in particular to members of York Birding and regular patch birder Duncan Bye. Thanks also to Duncan Bye, Adam Firth, Chris Gomersall and Dominique Vassie for the use of their photographs below.


BIRDS:

Mute Swan – 40 non-breeding birds remained on the 7th in addition to the resident breeding pairs, with a total of 70 non-breeding birds recorded on the 21st.

Whooper Swan – Two were present and flew north over Bank Island on the 1st and were followed by a herd of 47 later in the day. 23 were at Seaton Ross on the 3rd and a late single flew into Wheldrake Ings on the 16th. A total of 905 spring passage birds were recorded throughout the month.

Greylag Goose – 132 were present at North Duffield Carrs and 51 were at Wheldrake Ings in addition to those already incubating. The first goslings appeared at Wheldrake and North Duffield on the 19th with 21 (goslings) recorded at Wheldrake on the 21st.

Pink-footed Goose – 110 flew north over Wheldrake Ings on the 1st with a flock of 32 lingering until the 7th. Eight paused at Wheldrake Ings on the 20th.

Egyptian Goose – Five adults were in the East Cottingwith area on the 15th with regular sightings at Wheldrake Ings throughout the month. A pair were present at Thornton Ellers on the 21st.

Teal – A total of 911 were still present throughout the site on the 6th with numbers down to 421 by the 15th. 384 were at Wheldrake Ings on the 23rd with 287 at North Duffield on the same date – suggesting a small degree of spring passage through the site. Numbers reduced thereafter with 60 remaining at Wheldrake Ings on the 26th although 255 were recorded there on the 27th. 130 remained throughout the site at month end.

Wigeon – 988 were still present throughout the site on the 6th with 102 recorded on the 15th. 132 were counted on the 23rd with 47 remaining on the 26th. 60 were at Wheldrake Ings on the 27th with just 30 throughout the site at month end.

Mandarin – Two drakes were seen by the canal at Melbourne on the 3rd before flying towards Hagg Bridge. A single was on the pool at Wheldrake Ings on the 21st.

Pintail – 118 remained between North Duffield Carrs and Wheldrake Ings on the 6th with 21 recorded on the 15th. Just two drakes and a duck remained at Wheldrake thereafter with four pairs at North Duffield Carrs until the 23rd.

Garganey – A single drake was present at Wheldrake Ings on the 16th and again on the 18th when another pair was at Thornton Ellers. The drake was seen again at Wheldrake on the 19th and was reported from there regularly thereafter to month end. A drake was calling after dark at North Duffield Carrs on the 23rd with another at Wheldrake Ings on the 27th where it was joined by a female on the 30th.

Garganey - Wheldrake Ings - 20/04 - DB

Shoveler – 190 were recorded throughout the site on the 7th.

Gadwall – 169 were recorded throughout the site on the 7th.

Tufted Duck – Up to five pairs were present during the month.

Common Scoter – A single female was present on the pool at Wheldrake Ings on the 9th following small numbers of calls/flocks recorded on noc-mig during the first few nights of the month. A drake was at Wheldrake Ings on the 20th.

Common Scoter - Wheldrake Ings - 20/04 - DB

Goldeneye – A drake was at Wheldrake Ings on the 1st.

Little Egret – Ten were present at Wheldrake Ings on the 2nd with six at Bank Island on the 3rd. A total of 34 apparently occupied nests were counted in the heronry on the 27th.

Cattle Egret – Three were seen at North Duffield Carrs at midday on the 10th before flying off towards Bubwith and North Duffield Ings. Two were at Wheldrake Ings on the 11th with three there on the 21st.

Grey Heron – A total of 44 nests were recorded in the heronry on the 27th.

Grey Heron - Wheldrake Ings - 21/04 - DB

Great White Egret – Four were present across the site on the 1st including a breeding plumaged adult at Bank Island. Two roosted at Wheldrake Ings on the 2nd and a single was at Melbourne on the 3rd and 8th. Two were still present on the reserve on the 11th and were seen regularly thereafter until month end.

Spoonbill – A single flew east over Wheldrake Ings on the morning of the 18th, before arriving at North Cave Wetlands 30 minutes later.

White Stork – A single was reported near Pocklington on the 29th.

Little Grebe – Several pairs remained at Wheldrake Ings and North Duffield Carrs during the month.

Little Grebe - Wheldrake Ings - 15/04 - DB

Water Rail – Up to seven calling birds were present at Wheldrake Ings on the 1st with another singing in the reedbed at Tom’s Ponds at Bank Island on the same date. One was singing at Sutton Ings on the 5th followed by two at Bank Island on the 10th and one at Aughton Ings on the 23rd. Fifteen were at Wheldrake Ings on the 27th with one at Bubwith Ings on the 30th. Three were also present at North Duffield Carrs throughout the month with additional reports coming from the Melbourne/Church Bridge area. An estimated minimum of 24 singing males were present during the month.

Spotted Crake – The first singing male was recorded at Wheldrake Ings on the evening of the 13th with another at North Duffield Carrs on the 23rd.

Quail – One was heard calling from Bank Island overnight on the 30th.

Common Crane – A single was seen over Wheldrake on the 7th and was followed by one over Melbourne on the 17th and 20th. Four flew over North Duffield Carrs and Skipwith Common NNR on the morning of the 23rd when a rather vocal bird was found on the Low Grounds and the Sutton Farm area during the day – a total of six were then present there mid-afternoon. A single was heard in the same area during the morning of the 24th.

Osprey – Single over Bank Island on the 10th with another over Hagg Bridge on the 16th.

White-tailed Eagle – One was reported circling over Elvington Airfield on the 10th.

Red Kite – Widespread throughout the area with several breeding pairs located.

Marsh Harrier – Two cream-crowns were seen at Wheldrake Ings on the 1st with another at East Cottingwith Ings on the 18th. A pair lingered at Wheldrake Ings until month end with another pair observed prospecting a site at Melbourne during the month.

Peregrine – A large immature female was at North Duffield Carrs on the 1st and Wheldrake Ings on the 2nd, 3rd, 15th and 23rd. Six local pairs were on territory during the month.

Hobby – The first returning bird was at Wheldrake Ings on the 19th with another there on the 20th followed by two on the 21st and three on the 23rd. Birds were then regular until month end with four seen at Wheldrake Ings on the 27th and numbers up to five by the 30th.

Little Ringed Plover – One was at Bank Island on the 1st and 2nd with a pair seen at Wheldrake Ings on the 18th. A single passed through North Duffield Carrs on the 21st with three birds seen on flooded arable to the east of the valley during the second half of the month. Two were at Bank Island on the 29th and 30th.

Little Ringed Plover - Seaton Ross - 27/04 - DB

Golden Plover – Four summer plumaged birds were at Melbourne Ings on the 8th.

Grey Plover – A single was present at Wheldrake Ings on the 3rd and 4th with a bird also heard calling over Wheldrake village on the 4th.

Lapwing – Breeding pairs were present throughout the site.

Lapwing - Bank Island - 19/04 - DB

Dunlin – Three were at Wheldrake Ings on the 1st and 2nd with one thereafter until the 6th. Three paused briefly at North Duffield Carrs on the 18th.

Knot – A single winter-plumaged bird was at Wheldrake Ings on the 6th.

Curlew – 26 roosted at Wheldrake Ings on the 2nd with several small passage flocks noted until mid-month. Breeding birds were present in good numbers throughout the site with the first completed clutch found on the 25th.

Whimbrel – Four at Wheldrake Ings on the 15th were the first of the spring passage roost to arrive. Singles were then present at Wheldrake and North Duffield Carrs on the 17th with one seen over Wheldrake village on the 18th. Two passed through North Duffield Carrs on the 20th with ten recorded at the Wheldrake roost on the 21st. Eight roosted there on the 23rd with several heard calling after dark at North Duffield Carrs on the same date. Six were at Wheldrake Ings on the 24th and one was at North Duffield Carrs on the 26th. 17 roosted at Wheldrake Ings on the 27th with 15+ recorded there on the 30th.

Whimbrel - Bank Island - 29/04 - DV

Black-tailed Godwit – 140 were still present at Wheldrake Ings on the 2nd with 130 recorded there on the 3rd followed by 135 on the 4th and 131 on the 6th. 30 remained on the 10th with just a single present on the 15th. A passage flock of nine dropped into Wheldrake Ings on the 18th with five remaining on the 20th followed by four on the 21st, three on the 22nd and a single on the 23rd. Six went north at North Duffield Carrs on the 27th when a single was at Wheldrake which then remained to month end.

Snipe – Large numbers remained early in the month with counts of 110 at Wheldrake Ings on the 5th, 40 at Sutton Ings on the 6th, 180 at Melbourne and Thornton Ings on the 9th and 80 at North Duffield Carrs on the 10th. 40+ were recorded at East Cottingwith Ings on the 18th. It is likely over 1,000 may well have been scattered throughout the wider site during this period – probably reflecting a spring passage movement. Four chipping birds were at Thornton Ellers on the 20th with ten drummers at Wheldrake on the 21st and another ten at North Duffield on the 21st and 22nd.

Jack Snipe – One was still present at Wheldrake Ings on the 9th. A single with 22 Snipe was recorded at East Cottingwith Ings on the 16th. Two were flushed by a hunting Marsh Harrier at Wheldrake on the 21st with another there on the 23rd and 27th.

Woodcock – One was roding around Bank Island on the 30th.

Ruff – Twelve remained at Wheldrake Ings on the 1st, 3rd and 4th. Nine were then showing some limited lekking activity at North Duffield Carrs on the 6th. Three flew over Bank Island on the 14th with seven remaining at North Duffield Carrs between the 18th and 23rd. Four remained at North Duffield on the 26th with a summer plumaged male at Wheldrake on the same date. Up to 12 remained across the site to month end.

Redshank – Up to 20 pairs were scattered throughout the site.

Redshank - East Cottingwith - 18/04 - DB

Greenshank – A single was at Wheldrake Ings on the 12th followed by two there on the 27th.

Green Sandpiper – Three were present at Bank Island on the 11th with three near Seaton Ross on the 21st and one over Bank Island on the 25th.

Common Sandpiper – A single was seen on the riverbank at Thorganby Ings on the 18th with two appearing on the pool at Wheldrake Ings on the 30th.

Common Tern – A single was reported at Wheldrake Ings on the 23rd with three then seen over fishing lakes in Wheldrake village on the 24th. Three were present at Bank Island on the 27th with four there from the 30th.

Arctic Tern – A single passed through Wheldrake Ings on the 23rd.

Cuckoo – The first returning birds were heard from Bank Island and Skipwith Common on 15th with two at Melbourne on the 17th. Birds were then reported regularly from both Skipwith, Wheldrake and Melbourne thereafter with a female at Wheldrake Ings on the 21st and two calling males at Bank Island on the 23rd. One was at Foggathorpe on the 27th and Bubwith and Thornton Ellers on the 30th.

Cuckoo - Wheldrake Ings - 26/04 - DB

Green Woodpecker – One yaffling bird was present on Skipwith Common NNR during the month with regular sightings at Thorganby. Singles were reported from Stamford Bridge on the 12th and Bank Island on the 18th.

Wryneck – A single was present on Sands Lane at Skipwith Common NNR on the 10th.

Ring-necked Parakeet – One was reported from an Elvington garden on the 13th.

Ring-necked Parakeet - Elvington - 13/04 - AF

Swift – A single at Wheldrake Ings on the 21st was the first returning bird, with the next being six at North Duffield Carrs on the 26th and ten at Bank Island on the 27th.

Wheatear – A single was at Hagg Lane, East Cottingwith on the 10th with another there on the 16th and 18th, on the same date seven were recorded in fields at Thornton Ellers with another nearby on the 28th.

Stonechat – A male was at Elvington on the 16th and a pair was at Thornton on the 28th, with a pair also present on Skipwith Common NNR during the month.

Whinchat – One at Bank Island on the 30th was the first of the year.

Nightingale – A single was recorded on noc-mig over Elvington on the night of the 29th/30th.

Ring Ouzel – A female at Thornton Ellers on the 18th arrived with a small fall of Wheatears.

Tree Pipit – The first returning bird was present at Skipwith Common NNR on the 12th.

Yellow Wagtail – The first returning individual was noted flying over Wheldrake village on the 7th with another at Seavy Carr on the 8th – small numbers continued to be recorded thereafter.

White Wagtail – Singles were recorded at Seavy Carr on the 8th, Bank Island on the 14th and Thornton on the 28th.

Sand Martin – Small numbers were recorded daily until c100+ arrived at Wheldrake Ings on the 13th and 15th.

House Martin – The first returning bird was at Wheldrake Ings on the 3rd with four individuals observed inspecting nests in Thorganby on the 10th. Ten were at Wheldrake Ings on the 18th.

Swallow – A single was seen in Thorganby on the 2nd and was followed by six at Wheldrake Ings on the 3rd and one at Allerthorpe. Ten were at Wheldrake on the 4th with the Tower Hide breeding pair returning on the 6th. Birds were thinly spread in small numbers thereafter with 100+ reported at Wheldrake Ings on the 15th.

Raven – A single was recorded over Stamford Bridge on the 11th whilst another single flew over Wheldrake village towards Bank Island on the 12th. Another record followed on the 20th with one over Wheldrake Ings and a rather tatty individual was then seen over Melbourne on the 21st.

Jay – Breeding birds were seemingly more obvious than usual during the month with regular sightings coming from Wheldrake, Thorganby, Skipwith and Thornton Ellers .

Willow Warbler – On the 2nd two were at Elvington Water Treatment Works and three were present at Skipwith Common NNR. Two were reported from Melbourne on the 3rd and small numbers trickled in thereafter, with a small arrival bringing seven to Wheldrake and nine to Skipwith on the 6th and 16 to Melbourne and Thornton Ings on the 8th. Another small arrival occurred overnight on the 9th/10th with 26 at Wheldrake Ings and eight at Bank Island on the 15th.

Blackcap – A small arrival took place overnight on the 7th/8th with four at Bank Island on the 8th and a further arrival the following day.

Blackcap - Wheldrake Ings - 26/04 - DB

Garden Warbler – The first of the year was at Skipwith Common NNR on the 17th with the next record coming from Melbourne on the 19th. Three were at Wheldrake Ings on the 26th.

Sedge Warbler – The first bird was heard singing in the Wheldrake Ings car park lane on the 2nd with another nearby on the 12th. Three at North Duffield Carrs and ten at Wheldrake on the 15th was the first major arrival, with numbers up to 17 at Wheldrake by the 20th. At least 30 were in the Wheldrake/Bank Island area on the 26th.

Sedge Warbler - Wheldrake Ings - 27/04 - DB

Reed Warbler – One at North Duffield Carrs on the 15th was the first of the year with two following at Wheldrake Ings on the 18th, three on the 26th and five on the 27th.

Grasshopper Warbler – The first reeling male was heard at Melbourne on the 16th (and again on the 19th) with another at Wheldrake Ings between the 18th and 20th. One was between Bank Island and Elvington on the 20th with another at Bank Island on the 23rd. A total of six reeling males were present throughout the site on the 23rd/24th with a further male present at Wheldrake Ings on the 30th. Most remained to month end.

Grasshopper Warbler - Wheldrake Ings - 26/04 - DB

Whitethroat – The first of the year was at the NNR Base Garden at Bank Island on the 11th with another at North Duffield Carrs and three at Thorganby on the 12th. Four were at Wheldrake Ings and Bank Island on the 15th.

Lesser Whitethroat – Birds present near Wheldrake and Melbourne on the 19th were the first returning individuals of the year, with birds then recorded from Sutton upon Derwent and Melbourne on the 21st, Bank Island on the 25th and North Duffield Carrs on the 26th before becoming widespread throughout the site by the 27th.

Cetti’s Warbler – A singing male was present by the windpump at Wheldrake Ings on the 1st with three recorded singing between the NNR Base at Bank Island and the car park lane at Wheldrake Ings on the 2nd. A single was present at Foggathorpe on the 26th. A total of 12 singing males were recorded during the month.

Crossbill – Three at Skipwith Common NNR on the 6th.

Corn Bunting – 40 were recorded feeding in fields near Wheldrake village on the 2nd with 22 at Thornton Ellers on the 27th. A single had returned to the usual breeding site in front of Tower Hide at Wheldrake Ings by the 15th. 25 were present around the wild bird crop at North Duffield Carrs on the 18th with numbers there up to 50 on the 19th and 26th.

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