Researches studied pairs of Daubenton ’ s bats in Barrow Gurney , Somerset . Flying mammals perceive their surroundings using biosonar calls . Study measured these calls to calculate what members of group perceived . It found the bats interact by swapping between leading and following . They swap these roles by copying the route a nearby individual was using up to four to five milliseconds earlier .
Researches studied pairs of Daubenton ’ s bats in Barrow Gurney , Somerset . Flying mammals perceive their surroundings using biosonar calls . Study measured these calls to calculate what members of group perceived . It found the bats interact by swapping between leading and following . They swap these roles by copying the route a nearby individual was using up to 500 milliseconds earlier .