//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (adsbygoogle = window.adsbygoogle || []).push(); copyright batsworld.com It was a long time ago, but I once watched a fascinating documentary about bats and their ability to re-connect with their young when returning from a swoop around the night skies in search of an insect supper. Despite the thousands upon thousands of bats in the cave, the mothers found their own youngsters because of the unique sound they made. In order to establish the facts, I did a quick internet…