Evening Standard: Regent’s Canal Robbers

Saw this in the paper on the 10th.

*"The knife-wielding thugs have struck at least 14 times in the past two months on or near a towpath which has limited lighting to ensure the bats are not disturbed. *
*[URL="http://www.thisislondon.co.uk/standard/article-23782378-robbers-swoop-on-victims-along-canal-towpath-kept-dark-for-bats.do"][/URL]
*

I don't get it.... Bats are fucking blind!!!????