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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

  • YNU Vice County...

    YNU Vice County...

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

    YNU Zoom Chat...

    YNU ZOOM CHAT MEETINGS take place MONTHLY on the First Friday of Each Month: (i.e. 3 Dec 2021, 7...
  • Rodley Nature...

    Rodley Nature...

    Rodley Nature Reserve Trust has announced the temporary closure of the reserve from January 2022....
  • A Walk In The...

    A Walk In The...

    It's that wonderful time of year again when the mushrooms burst in to life in the Yorkshire...
  • Trek to rescue...

    Trek to rescue...

    Dr. Margaret Bradshaw, renowned botanist and champion of Upper Teesdale’s rare plants for over...
  • Flying Ant Day...

    Flying Ant Day...

    Part of the BioDAR project : What is the difference between an insect...

Recently Added Events

09 Feb 2022
07:30PM - 09:30PM
YNU Executive Meeting
08 Oct 2022
10:00AM -
Bryological Section VC63
07 May 2022
10:00AM -
Bryological Section VC65
19 Mar 2022
10:30AM - 04:00PM
Entomological Section Spring Meeting
13 Mar 2022
Lepidoptera Group Annual Meeting.
17 Mar 2022
07:30PM - 09:00PM
'Big-lipped' Yorkshire Bees
17 Feb 2022
07:30PM - 09:00PM
Conserving butterflies & moths
20 Jan 2022
07:30PM - 09:00PM
Riparian mammals
04 Jun 2022
10:30AM -
Botany Section: VC65. Marsett Rigg SSSI
23 Jul 2022
VC63 Excursion - Brockadale


Some Stats From Yorkshire!

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

Bird Breeds Spotted
Freshwater Fish Listed
Lichens recorded
Butterflies Listed
Mammals Listed
Different Leeches
Moth Species Spotted
Reptiles & Amphibeans