There are many publications where you can learn more about the red squirrel. Here are some you might find interesting
Red Squirrel Conservation - Species Document

by Mourne Heritage Trust 2010 Red Squirrel Group/Mourne Heritage Trust/Forest Service (DAERA-NI)

 

SQUIRRELS IN BRITAIN

by Keith Laidler 1980 
published by David & Charles

 

THE NATURAL HISTORY OF SQUIRRELS

by John Gurnell 1987 published by Christopher Helm

 

SUPPLEMENTARY FEEDING
www.tollymoreredsquirrelgroup.com/publicationsandinformation/www.snh.org.uk/ukredsquirrelgroup/UKRSG.asp

2004 Advice Note. United Kingdom Red Squirrel Group.

 

SUPPLEMENTARY FEEDING OF RED SQUIRRELS

Wildlife Trusts 2004 Information Sheet 4. Red Alert North East. Newcastle upon Tyne.

 

RED SQUIRREL SUPPLEMENTARY FOOD HOPPER

by Pepper, H.W. 1993 
Research information note no. 235. Forestry Commission. England

 

ALL-IRELAND SPECIES ACTION PLAN – RED SQUIRREL
www.ni-environment.gov.uk

2008 National Parks and Wildlife Service and Environment and Heritage Service. Northern Ireland Environment and Heritage Service

 

RECENT CHANGES IN THE DISTRIBUTION OF RED SQUIRRELS IN NORTHERN IRELAND

byO’Neill, K. and Montgomery, I., 2003 Queen’s University and Environment and Heritage Service (now NIEA) Report. Belfast.

 

THE RED SQUIRREL, REDRESSING THE WRONG

by J.F.C. Dutton 2004 European Squirrel Initiative. 
ISBN No. 0-9547576-0-3.

 

PRACTICAL TECHNIQUES FOR SURVEY AND MONITORING SQUIRRELS

byGurnell, J., Lurz, P. and Pepper, H. 2001 Forestry Commission. Edinburgh.

 

Red Squirrel Survival Trust
www.rsst.org.uk/

A national group dedicated to saving the red squirrel, carrying out major restoration projects across the UK

 

The UK Red Squirrel Group
www.ukredsquirrels.org

A broad umbrella organisation for all regional groups, lots of general information and advice.

 

Northern Red Squirrels
www.northernredsquirrels.org.uk/

 

The Northern Red Squirrel Group are a ‘network of voluntary action’ providing a community and resource for all independent squirrel groups in the north of the UK.

 

SquirrelWeb
www.squirrelweb.co.uk/

 

Regularly updated with science-based report about red and grey squirrels.

 

European Squirrel Initiative
www.europeansquirrelinitiative.org/

 

A European Wide group lobbying at top levels to ensure the protection and conservation of red squirrels throughout Europe.

Forestry Commission
forestry.gov.uk

The Forestry Commission has useful leaflets and publications giving guidelines on supplementary feeding red squirrels, squirrel pox virus and controlling grey squirrels (FCPN4 (revised). Any legal regulations they refer to apply to England and may not apply to Northern Ireland.