>>3676495no you don't
1st you never saw a bat drinking blood for real.
2nd you never did check if bat or some bats consume other shit such as berrys.
3rd you never did check if bats are realy blind or if they guide themselfs by sound.
4 everything you know are lies made on a television studio
5 sense you don't know ill explain to you: they put them hungry and then trow meat.
6 bats are not blind.
7 check yourself shit and stop beliving shit as a puss believer.