No. Silverwing bats are only fictional, though they are based off of the Gray Bat, such as Brightwing bats are based off of Red Bats. yes they are i have seen them before
Freida and her colony are all Silverwings, except for Marina, who is a Brightwing that joined at the end of the story.
four bats
Yes.
Yes, vampire bats are still common in North and Central America.
Vampires do not exist. Only bats.
yes albino bats are rare but do exist
I dont know if you mean exist or extinct, so ill answer both yes they exist no they arent extinct
If you're talking about bats, then yes, some do bite.
There are around 1,100 known species of bat.
Yes, vampire bats are real animals. They do not attack humans, but bite and lick up the blood of livestock.
There are vampire bats, a species of bat that sucks the blood of other mammals, but vampires as in literature don't exist.