- Northumberland Wildlife Trust: www.nwt.org.uk
- Ponteland Wildlife Group: pontelandwildlife.wixsite.com/pontelandwildlife
- The Northumberland and Tyneside Bird Club: www.ntbc.org.uk
- Northumberland Rivers Trust: www.northumberlandriverstrust.co.uk
- Space for Shorebirds: www.spaceforshorebirds.co.uk
- Wild Intrigue: www.wildintrigue.co.uk
- Revitalising Redesdale: www.revitalisingredesdale.org.uk
- Environmental Records Information Centre: www.ericnortheast.org.uk
- Butterfly Conservation North East England Branch: www.northeast-butterflies.org.uk
- Northumberland National Park: www.northumberlandnationalpark.org.uk
- The Sill: www.thesill.org.uk
- Northumbrian Earth: www.northumbrianearth.co.uk
- CPRE, The Countryside Charity, Northumberland: www.northumberland.cprelocalgroups.org.uk
- Tweed Forum: www.tweedforum.org
- The Ox Inn, Middleton: www.facebook.com/theoxinnmiddleton
- Middleton and Todridge Village Hall: www.facebook.com/middletonandtodridgevillagehall
- Robson and Cowan: www.robsonandcowan.co.uk
- White Oak Studios: www.whiteoakstudios.org
- Middleton North: www.middleton-north.co.uk
- RSPB: www.rspb.org.uk
- British Trust for Ornithology: www.bto.org
- National Biodiversity Network Atlas: https://nbnatlas.org/
- Woodland Trust: www.woodlandtrust.org.uk
- Botanical Society of Britain and Ireland: www.bsbi.org
- Plantlife: www.plantlife.org.uk/uk
- British Wild Flowers: www.british-wild-flowers.co.uk
- Wildflower Finder: www.wildflowerfinder.org.uk
- Bumblebee Conservation Trust: www.bumblebeeconservation.org
- The Earthworm Society of Britain: www.earthwormsoc.org.uk
- Ecological Flora of the British Isles: www.ecoflora.org.uk
- UK Moths: www.ukmoths.org.uk
- Natural England: www.gov.uk/government/organisations/natural-england
- The Genetic Flora of the British Isle: www.tinyurl.com/geneticflora
- City Nature Challenge: www.citynaturechallenge.org
- irecord: www.irecord.org.uk
- Environment Agency Incident Hotline: www.gov.uk/report-an-environmental-incident
- Mamal Society: www.mammal.org.uk