But looking closer shows signs of water voles. Notably burrows, not as many as upstream but still evident
It's also harder to see a water vole, I had to wait half an hour before one popped out:
I eventually saw three, all recorded on the water vole map (in blue):
View Water voles 2010 in a larger map
Speaking to one of the regular dog walkers, water voles have been seen along the lower ock.