As they say: Celebrate Devon’s otters this World Otter Day – Visit Devon
With lots of otter-themed stuff for Wednesday’s World Otter Day from the IOSF
And some wonderful photos and stories from the River Sid in particular can be found here: Otters along the River – The Sid
Including this from the Sid Valley Biodiversity Group:

River Sid: The Shortest River in England? – Sid Valley Biodiversity Group