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Welcome to the Yorkshire Naturalists Union new website

Recording Yorkshire's wildlife for over 160 years .

The Yorkshire Naturalists' Union is devoted to studying and recording Yorkshire's flora and fauna. We are an association of amateur and professional naturalists covering a wide range of aspects of natural history. We are one of the country's oldest wildlife organisations, having celebrated our 150th anniversary in 2011.

Our thanks to all the photographers who have contributed their wonderful images. Where possible, we have acknowleged them individually, but we would like to thank: Bob Thompson, Barry Warrington, Jim Horsfall, Jo Prowse, Paul Bateson, Paul Holmes, Robert Jaques, Ken Diggle. Paula Lightfoot, Mick Talbot, Petros Pete, Jenny Wheldon, Gregory Smith, John Sadlerm Mervin Nethercoat, Steve Race, Roger Key, John Bowers, Vaughan G, Sharon Flint et al

Latest News

Have you got a 'NEWS' item or a date for an 'EVENT' coming up? Don't hold back - email the details now, along with any photographs/images, to

  • Recording of...

    The recording of the themed Zoom session on identification and survey techniques for riparian...
  • YNU Zoom Chat...

    YNU Zoom Chat...

    YNU ZOOM CHAT MEETINGS take place MONTHLY on the First Friday of Each Month: (i.e. 4 Feb 2022, 4...
  • Butterfly...


    Our friends at Butterfly Conservation Yorkshire Branch have asked us to pass on information about...
  • First themed Zoom...

    First themed Zoom...

    We hope you’ve had a relaxing and refreshing Christmas break and are now in a better position to...
  • Recording Wildlife

    Recording Wildlife

    Recording and studying wildlife and sharing the results of our work for the public benefit is the...
  • YNU Vice County...

    YNU Vice County...

    Excursions are not just for experts, they are a fabulous way to get involved in field work, see...

Recently Added Events

06 Jul 2022
10:30AM -
Leeds Nats Field Meeting
07 Jun 2022
10:30AM -
Leeds Nats Field Meeting
12 May 2022
10:30AM -
Leeds Nats' Field Meeting
27 Apr 2022
10:30AM -
Leeds Nats Field Meeting


Some Stats From Yorkshire!

Got an interesting statistic about Yorkshire's natural world that will go on our Grid? Email it now to

Bird Species Recorded
Freshwater Fish Listed
Lichens recorded
Butterflies Listed
Mammals Listed
Different Leeches
Moth Species Spotted
Reptiles & Amphibeans
Protected with GEO Protection