3 links
British and European Ungulates
geocities.com
Descriptions of the deer, wild goats, and sheep of Britain and Europe by Mark Walker.
British Deer
deer-uk.com
About the biology, ecology, and history of the six species of deer found wild in the UK (roe, red, fallow, sika, muntjac, and Chinese water deer).
World Deer
orlddeer.org
Provides photos and species accounts. Includes overview of biology of species in this family.