Brandon,
The boat goes in the water not the reverse, eh? I do recall Fr Frank suggesting that I put a bilge pump in the bilge under the cabin. That he had experienced water accumulating in the front of the boat.
Probably the lowest point at rest. here's that thread:
http://www.classicseacraft.com/forum...rev=#Post65014
As far as is there a mouse nest blocking flow? I don't know, but you can definitely smell out a rat's nest...