- Joined
- Jan 1, 2018
- Messages
- 5,076
- Reaction score
- 4,979
- Location
- Fernhurst Sussex
- Hive Type
- National
- Number of Hives
- 40 plus 23 that I maintain for clients.
I found several "quotes" about a mouse being able to "flatten" its head to get through gaps of much smaller dimensions than the holes but no actual details of experiments on line. If you remember in Autumn Watch Chris Pacham lowered a door to 12mm before a mouse couldn't get under it.