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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

  • New Adult Caddis...

    Adult caddis (Trichoptera) of Britain and Ireland: a practical guide EARLYBIRD OFFER: £16 INSTEAD...
  • The recording of...

    The recording of the themed Zoom Session held on Thursday 17 March at 7.30pm when Andy Millard,...
  • Zoom session on...

    Zoom session on...

    Our next themed Zoom Session will take place on Thursday 17 February at 7.30pm when Dr Dave...
  • YNU Zoom Chat: Fri...

    Friday 4 Feb 7.30pm: Join members of the YNU and Natural History societies in a discussion via...
  • 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...

Recently Added Events

15 Oct 2022
08:00AM - 05:00PM
YNU AGM at University of Hull
14 Aug 2022
08:00AM - 05:00PM
VC64 Excursion - Humberstone Bank Farm


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