Location rankings

Rank Title Description Species total
11 Sutton Fen

A floodplain fen in the River Ant valley, part of the Ant Broads and Marshes SSSI, billed in its SSSI designation as "one of the finest valley fens in Western Europe". The c.200Ha site includes areas of ancient alder carr, willow and birch scrub, small areas of Sphagnum bog as well as some 'upland' (up to 3m above sea level) meadows and woodlands. Benefiting from some historic recording by Robert Gurney at the start of the 20th century and latterly by the RSPB since the site was purchased in 2007, the species list is growing at pace.

12 Wimpole Hall Estate (Cambs) NT

A classic National Trust estate of 994 hectares with Hall, Garden, Listed Park with open grown old trees and lakes, and farmland and woodland beyond the Park. The inhand arable farmland and grazed meadows has been organic since 2008. In south-west Cambridgeshire, surrounded by intensive arable agriculture.

13 Horsey, Norfolk TG4523

A 1 km square at Horsey in East Norfolk, about half a mile from the coast. Mainly arable but with some small woodlands, hedges and brackish broadland dykes. Mostly private with no access so all recording is done in about 5% of the area of the 1 km square. All records from Oct 2013 onwards.

14 Northwich Community Woodlands

A variety of habitats including broad-leaved and coniferous woodland, unimproved grassland, scrub, open water in the form of several ponds, wader lagoons and mere

15 Tim Hodge's garden, Horsey, East Norfolk

Garden is a small subset (0.02 hectares) of the 1 km square TG4523. Part of a small hamlet surrounded by arables fields, hedgerows and small woodlands, close to the Broads and the coast.

16 Iping & Stedham Commons Sussex Wildlife Trust Reserve

Iping & Stedham Commons offer some of the best that this scarce heathland habitat can offer. A great deal of early succesional management is carried out that greatly benefits invertebrates.

17 TM2499 (Shotesham, Norfolk)

1 km square, heavily covered in 2013 but other records from 2006 onwards now totted up also. 

Grand total last updated 9th May 2022 (taxon groups not fully updated yet)


18 Bushy Park 2700
19 Jennifer Owen's Leicester garden

The subject of a famous inventory study over 30 years (1972 - 2001) involving many expert naturalists and published by Owen, J. (2010). Wildlife of a garden. A thirty-year study. Peterborough: Royal Horticultural Society. Despite all that effort, Owen recognised that her garden list was still far from complete and estimated, quite reasonably, that the insect list alone could exceed 10,000 given enough recording over enough time. The garden itself is "nothing special".

20 The Nunnery (BTO HQ, Thetford)

The grounds of the BTO's headquarters in Thetford, including alder carr, birch woodland, the river Little Ouse, a series of fishing lakes, some flood meadows and small areas of Breck grassland. Most records from BTO staff, with occasional contributions from visitors. Lots still to discover clearly, current species total very much a work in progress.



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