Not frogs, that was my first idea but i would see them. They only used to be on the bank side so frogs made sence, but nightly adventures with the torch proves other wise.
You can hear the little buggers but not see them.
At first it was an occational thing, just heard it on the bank side at night, like two of them "talking" to each other. Then It seems more and more have joined that party. Now they have migrated to the river side and its sound like there is a half dozen of them now.
I like the idea of prop snipers though!
Either way, the noise kept me awake last night untill the early hours so later i am going to sweep the hull sides.
If i catch anything im going to make an example of it to all its mates to show i mean business!
Not centipedes either......................
Come on someone must know what it is, I cant really get Attenborough down here can I!!!