British Birds VOLUME 85 NUMBER 5 MAY 1992
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British Birds VOLUME 85 NUMBER 5 MAY 1992 Seasonal reports Autumn 1991 Part 2: passerines Barry Nightingale and Keith Allsopp This report includes some unchecked reports, as well as authenticated records Southern jewels July is not noted for its movements of Dungeness (Kent) on 27th were followed by passerines, and rarities tend to receive even singles at Rye Harbour (East Sussex) and more attention than usual. The outstanding Formby (Lancashire) on 28th July. Another feature of an otherwise quiet start to the six reports followed in August, and eight autumn was the continued influx of Bee- more in September, seven of which were eaters Merops apiaster. For the last ten years, together at Lochar Water (Dumfries & annual occurrences have averaged 20 indi Galloway) on 12th. This brought the total for viduals, but this number had already been July-September to over 50, and, although seen during May and June. Thirteen more there will have been some duplication as were reported during 1 st-5th July, with three groups moved around the country, 1991 will south over Flamborough Head (Humber- almost certainly exceed the record year of side), four in Essex, two at Elvaston Quarry 1988, when 31 were accepted. (Derbyshire), and singles in East Sussex, Winds during July had remained mostly Kent, West Sussex and Suffolk. On 10th July, between southwest and southeast (more singles were at Spurn (Humberside) and frequently than is usual for July), and with Titchwell (Norfolk), with two at Blakeney temperatures some 2°C above average this no (Norfolk), and the next day at Stronsay doubt encouraged more southern exotica to (Orkney), when there were also five at Old reach our shores. Three Woodchat Shrikes Hall Marsh (Essex). Perhaps these last five Lanius senator, eight widely scattered Alpine were the same as those seen at Cliffe (Kent) Swifts Apus melba, from Cornwall to Orkney, on 21 st July, when there was also one at a Black-headed Bunting Emberiza Sandwich Bay (Kent). Five going north over mtlanocephala in Co. Clare on 17dijuly and a [Brit. Birds 85: 201-210, May 1992] 201 202 Autumn 1991: passerines Roller Coracias garrulus in Holkham Pines (Suffolk) on 19th July was unseasonal, but (Norfolk) on 29th were among them. hinted at the good numbers to come, and, Of the commoner species, large move on the same day, an early Wryneck Jynx ments of Swifts A. apus were particularly torquilla appeared at Weir Wood Reservoir noticeable early in the month, with 1,700 (East Sussex). Yellow Wagtails Motacilla over Climping Beach (West Sussex) on 4th flava were also on the move, with flocks July, 25,000 passing south over Spurn during passing through Dungeness. A Serin Sainus 7th-8th, and on the next day in Lincolnshire serinus in Nottinghamshire on 27th July was 1,000 per hour over River Witham and that county's first, and one in Bedfordshire 15,000 over Gibraltar Point. During 9th-15th on 30th was only the second. Nottingham July, 300 flew south daily past Whitburn shire then chalked up its second addition (Tyne & Wear). within a few days, with an Alpine Swift at Crossbills Loxia curvirostra were reported Flintham on 2nd August, the same day as a from many areas, including almost daily at Roller appeared in Dyfed. Flamborough Head, 36 at Holkham NNR on The first half of August, however, re 3rd July, 30 at Landguard (Suffolk) on 19th, mained generally quiet for landbirds. The 45 at Holme (Norfolk) on 20th and 12 at weather was unhelpful, to observers at least, Rutland Water (Leicestershire) on 31st. A being mostly hot and sunny, and reports total of 355 was counted at Gibraltar Point from different areas of the country used during July, and many other coastal such terms as 'very average' and even observations from Scilly to Fair Isle indicated 'mediocre'. Westerly winds and some local fresh arrivals. ised heavy thunderstorms set the weather Siskins Carduelis spinus, too, were on the pattern, and from 17th August a north move much earlier, and in larger groups than westerly airflow became established across is usual. Records from Orkney included Britain and Ireland. only their second and third breeding Aquatic Warblers Acrocephalus paludkola records, and there were influxes into Lin are typical of August, and they showed well colnshire, with 25 at Gibraltar Point on 11th this year, with 25 reports, the first from the July, a noticeable movement through Wor Lizard (Cornwall) on 12th August. The cestershire on 22nd, and flocks of over 100 in majority were in southwest England, as Tyne & Wear. Many other counties, expected, but one at Donna Nook on 21st particularly along the English south coast was a good Lincolnshire record. reported unprecedented numbers for July. On 20th August, an anticyclone moved A post-breeding flock of 71 Mistle through the English Channel into Germany, Thrushes Turdus viscivorus at Billinge Hall introducing a southerly airflow and rising (Greater Manchester) on 21 st July was a good temperatures. This, combined with a deep local record at least, as was a showy Savi's area of low pressure to the south of Ireland Warbler Locustella luscinioides in North on 22nd August, brought the first real amptonshire, which gave many observers movement of Scandinavian drift migrants, unusually prolonged views. A Shore Lark with single Barred Warblers Sylvia nisoria, Eremophila alpestris at Lowestoft North Denes on Stronsay and Fair Isle, followed by seven others between 23rd and 31st August. A Woodchat Shrike in Scilly was new on 22nd, as was a Greenish Warbler Phyllosco- pus trochiloides on the Fame Islands (North umberland), narrowly beating three more in Shetland on 26th. Five Wrynecks and 11 Icterine Warblers Hippolais wkrina appeared before the end of the month. Of the common migrants, there were 'hundreds of Wheatears' Oenanthe oenanthe on Jersey on 23rd August, 7,000 Swallows Hirundo rustka south over Gibraltar Point on 24th, and, the next day, Dungeness, Sand wich Bay and Gibraltar Point all received their first autumn falls, with Reed Warblers A. scirpaceus, Yellow Wagtails and Willow Warblers P. trochilus featuring prominently. 99. Lesser Grey Shrike Lanius minor, Dungarvan, Co. Waterford, September 1991 (David Knight) 100. Radde's Warbler PhyUoscopus schwarzi, Priory Country Park, Bedfordshire, October 1991 (David Kramer) 101. Nutcracker Nucifraga caryocatacUs, Cocknage Wood, Staffordshire, October 1991 (Oxford Hepes) 204 Autumn 1991: passerines an Arctic Warbler P. borealis at Hartlepool (Cleveland), Icterine Warblers at Filey (North Yorkshire) and Spurn, and a Blyth's Reed Warbler A. dumetorum at Hauxley (Northumberland). On a more sober note, but of much more importance than these strays, were Bearded Tits Panurus biarmicus making news by ex tending their normal East Anglian strong hold. Four at Mugdrum Island (Fife) from 22nd to 24th August were the first in Scotland since 1972; they also bred in the London area and, for the first time, in Avon. September—full of eastern promise Sunny and very warm weather dominated die first week of September and new arrivals had a real eastern flavour. Seven more Icterine Warblers in the first two days came in with Greenish Warblers to Norfolk and Many coastal observatories, however, noted Grampian, a Lesser Grey Shrike L, minor in a dearth of the last species, and also of Norfolk, two Bonelli's Warblers P. bonelU in Goldcrests Regulus regains, which were to Ireland—where there are still fewer than 20 remain scarce all autumn. records—and two Booted Warblers H. cali- More landfalls occurred on 26th August, gata, at Spurn (plate 106) and North with Penduline Tit Remiz pendulmus, Ortolan Ronaldsay (Orkney). Another Bonelli's Bunting E. hortulana and Marsh Warbler A. Warbler at Southwell (Dorset), a Red- pahistris in Kent and a Red-headed Bunting throated Pipit A. cervinus in Dyfed and two E. bruniceps in Dorset. Swallows moved over Yellow-breasted Buntings E. aureola on Fair Cape Clear Island (Co. Cork), 5,000 in all, Isle were reported on 6th, followed by the on 27th, and good numbers of Yellow autumn's third Roller on 8th, at Orfordness Wagtails were reported from many locali (Suffolk). There were also eight Ortolan ties. Our resident population of Starlings Buntings during 7 th-11 th. Sturnus vulgaris has decreased these last few A southwesterly airflow covered Britain years, but 6,000 arriving at Gibraltar Point and Ireland during 13th-21st September, helped to swell the numbers. but, despite this, the emphasis continued From 26th August, the area of high from the east, no doubt encouraged by a pressure over Germany moved northeast to high-pressure area which developed over settle over northern Scandinavia and thus Greece and moved quickly north to brought a shift of interest from the southeast Germany. Assisted by these conditions came of England to the northeast. Between 28th Red-rumped Swallow and Richard's and 31st August, a Tawny Pipit Anthus Pipit A. novaeseelandiae to Norfolk, two Arctic campestris, two Red-backed Shrikes L. col- Warblers to Fair Isle, where Yellow- lurio, two Barred Warblers and an Ortolan breasted Buntings had increased to Bunting appeared at Flamborough Head, three, and Short-toed Lark Calandrella 102. Top left, juvenile Rose-coloured Starling Stumus roseus and Starling 5. vulgaris, St Mary's, Stilly, October 1991 (Steve Young) 103. Top right, juvenile Red-backed Shrike Lanius isabellinus, West Bexington, Dorset, September 1991 (Barry Mitchell) 104. Centre left, Desert Warbler Sylvia nana, Isle of Wight, November 1991 (David M. Cottridge/Avian Photos) 105. Centre right, Stonechat Saxicola torquata of eastern race maura, Gugh, Scilly, October 1991 (David Tipling/Avian Photos) 106. Bottom, Booted Warbler Hippolais pallida, Spurn, Humberside, September 1991 (Steve Young) —CS The inclusion of plates 102-109 in colour has been subsidised by a donation from Carl £eiss—Germany.