Yes, saw one in a shrub and it was chasing a rat. Laguna Niguel location.
No
yes weasels live in grasslands
No, there are no weasels in Ireland. There are stoats, which some people mistake for weasels, but there are no actual weasels in Ireland.
does least weasels travel in groups
Yes and New Zealand
yes
Anywhere
Long & Short-Hair weasels The Least Weasel
yes
Yes they are, My small dog drug one in just last week. You can type in Weasels in Ohio and read about them. I live in Southeastern Ohio. They are really pretty. We had over 35 chickens killed in one night in our hen house when I was younger by one or a few weasels. They are fast, and hungry.
Weasels live in nooks and crannies, holes on trees and under rocks.
You Probably would have to get a permit, otherwise it is illegal.