No records are available prior to 1994 but general observations seem to indicate a gradual deterioration in floral diversity as nutrient levels built up because cuttings were not removed. Records from 1995 following a change in management are listed in Appendix 2.
Butterfly records have been kept since 1994, typical grassland species are present with high numbers of small tortoiseshell and meadow brown. There has been a marked increase following a change in grassland management, (see Appendix 5) The presence and gradual increase in numbers of marbled whites is noteworthy.
numbers of banded demoiselle damselflies and garden tiger moths have also
mammals include common and pigmy shrews, bank vole and field vole, house
and field mice and common rat.
Bats recorded on a bat detector since 1986 include pipistrelle, Daubenton’s, serotine and noctule.
Sightings of grass snakes have been recorded.
Nadder Island provides a valuable nesting site for birds visiting the meadow to feed. Kingfishers are frequently seen including young, they nest and breed successfully in the vertical bank on the north side of Nadder Island. The stands of reeds along the river bank provide nesting and roosting sites for reed warblers and shelter for the shy water rail which was last recorded in the 1980s.
deer occasionally visit the meadow and in 2007 a muntjac deer was seen..