They might try, unless the steps are to high. don't let them climb down the stairs though, because they could fall and break their bones. I also wouldn't leave them unsupervised near stairs, even if they're trained.
because red tree mice climb red trees and heather mice climb heathers underwear.
they can't climb trees
Yes mine dose
Yes, Rats can climb along a rope. They do it all the time.
Diabetes?
yes
he can climb up trees
High
no
yes they do they have claws
Yes and so do mice and other vermin
No