Are Bat bites ever just one dot?

Are Bat bites ever just one dot.

Found a small dot on my finger that was barely visible.
Wouldn't have found if I didn't use rubbing alcohol on it.
Hit something went I was for a walk on my treadmill.
I was also listening to heavy metal while walking, increasing the incline and decresing the incline fairly often.

Would that have scared a bat away from there if one existed there?

Are Bat bites ever just one dot?
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