The designated area consists mainly of chalk grassland, as well as some ancient woodland, and supports a diverse range of native flora and fauna.
[1] Common sainfoin (Onobrychis viciifolia), fern-leaf dropwort (Filipendula vulgaris), autumn lady's-tresses (Spiranthes spiralis), chalk milkwort (Polygala calcarea) and fragrant orchid (Gymnadenia conopsea) are notable grassland species that only grow in areas where fertilisers and herbicides have not been used for a long time.
), blackthorn (Prunus spinosa), common holly (Ilex aquifolium), wayfaring tree (Viburnum lantana), ash (Fraxinus excelsior), whitebeam and field maple (Acer campestre).
[1] Notable bird species reported in the downs include the lesser whitethroat, common linnet, yellowhammer, goldcrest and European green woodpecker.
[1] More than thirty species of butterfly have been reported from the area, several of which—the marsh fritillary (Euphydryas aurinia), Duke of Burgundy (Hamearis lucina), chalkhill blue (Polyommatus coridon), pearl-bordered fritillary (Boloria euphrosyne) and Adonis blue (Polyommatus bellargus)—are declining in the United Kingdom on account of habitat destruction.