The horse leech (Haemopis sanguisuga) is one of the UK’s largest leech species. This one was in the Cairngorms ‘Green Lochan. Check out the video where I snorkel in this murky spot:
youtu.be/oI1nVv5RG3I

#leech #horseleech #ukleech #ukinvertebrates #scottishwildlife #pondlife #freshwaterwildlife