actually, most wild squirrels can be quite friendly once they've become familiar with you. it is rare for squirrels to carry any diseases transmittable to humans. it's fun to have wild squirrels reside in your yard and some squirrels can even be trained to eat from your hands! (just don't feed them salted foods!)
no they are not harmful to us
Help full
They help
No, it is acually very helpful.
If you need help I recommend you type in the specific question you need help with
AH! i love pointless questions like these!!! he is helpful man
yes they r cool
it can be helpful or harmful
sometimes they are helpful and harmful.
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
no except if they have rabbis
harmful
Depends on what part of "harmful" or "helpful" you are referring to.