Wharfedale Naturalists Society
http://www.wharfedale-nats.org.uk/
Yorkshire Wildlife Trust
http://www.ywt.org.uk/
Bradford Council
http://www.bradford.gov.uk/bmdc/the_environment/countryside_and_rights_of_way/biodiversity
BBC Nature
http://www.bbc.co.uk/nature/uk/
British Dragonfly Society
http://www.dragonflysoc.org.uk/
The Mammal Society
http://www.mammal.org.uk/
British Butterfly Conservation Society
http://www.butterfly-conservation.org/
Trust for Conservation Volunteers
http://www.tcv.org.uk/
Ilkley Angling Association
http://www.ilkleyanglingassociation.co.uk/
Natural England
http://www.naturalengland.org.uk/
Local Nature Reserve Designation
https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&cad=rja&ved=0CFMQFjAG&url=http%3A%2F%2Fwww.lnr.naturalengland.org.uk%2FSpecial%2Flnr%2Flnr_details.asp%3FC%3D0%26N%3D%26ID%3D1765&ei=qOx_UommL9Gihgf9-YDQDw&usg=AFQjCNFCFDRRDpfe7oL9JJWhB7yQ1OakKQ&bvm=bv.56146854,d.ZG4
Bradford Ornithological Group
http://www.bradfordbirding.org/
West Yorkshire Bat Group
http://www.westyorkshirebats.org.uk/