Wytham Woods is a 423.8-hectare (1,047-acre) biological Site of Special Scientific Interest north-west of Oxford in Oxfordshire.

[1][2] Habitats in this site, which formerly belonged to Abingdon Abbey,[a] include ancient woodland and limestone grassland.

Over 500 species of vascular plant have been recorded, and probably more data about the bird, mammal, and invertebrate fauna have been recorded about this site than any other in the country as a result of studies by the University of Oxford.

More than 900 species of beetles, 580 flies, 200 spiders, 700 bees, wasps and ants, 250 true bugs, and 27 earthworms have been recorded.

[4] Although the majority of the research activity is Oxford-based, any organisation can use the site, with permission.