TEN MEMORABLE VIS-MIG WATCHES

■ Winter Hill, Greater Manchester, Saturday 22 September 2012

19,189 moving birds of 36 species, including 11,651 Swallows, 3,555 House Martins, 3,481 Meadow Pipits, 19 Common Buzzards and a Hen Harrier.

■ Leith Hill, Surrey, 13 October 2021

35,113 moving birds of 18 species, mainly comprised of the British Trektellen record count of 34,727 Redwings.

■ Oxenhope, Yorkshire, 26 September 2011 8,460 moving birds of 34 species, including 7,498 Meadow Pipits and 106 alba wagtails.

■ Severnside, Gloucestershire, 2 May 2012 4,947 moving birds of 28 species, including the British Trektellen spring record counts of 2,449 Goldfinches and 30 Tree Pipits, with 33 Yellow Wagtails and 1,681 Swallows in the supporting cast.

■ Spurn, East Yorkshire, 26 June 2008

Modest numbers, but including a Little Swift south and a Pacific Swift U-turning.

■ Spurn, East Yorkshire, 27 June 2011

9,460 moving birds of 14 species, including 8,098 Common Swifts, 548 Sand Martins and a remarkable three Alpine Swifts.

■ Christchurch Harbour, Dorset, 28 September 2016

Modest numbers, but interesting passerine passage including 89 Common Chiffchaffs west.

■ Mull of Galloway, Dumfries and Galloway, 7 October 2014

6,467 moving birds of 13 species, including 1,918 Eurasian Skylarks and 3,031 Meadow Pipits.

■ Besh Barmag, Azerbaijan, 30 October 2017 43,702 moving birds of 97 species, including 123 White-winged Larks, Oriental Turtle Dove and three Black-bellied Sandgrouse.

■ Cape May Bird Observatory, USA, 5 September 2020

20,154 moving birds of 79 different species, including 1,903 Northern Parulas, 441 Black-andwhite Warblers, as well as an astonishing 6,678 American Redstarts.