For more than 400 years, an oil painting titled Air by Flemish master Jan Brueghel the Elder has been hiding a scientific secret about bats and their nighttime feeding behavior – and we've only just spotted it.

Evidence of Recently Discovered Bat Behavior Found Hiding in Plain Sight in Renaissance Painting: The Flemish painter Jan Brueghel the Elder captured the bird-eating behavior in…

For more than 400 years, an oil painting titled Air by Flemish master Jan Brueghel the Elder has been hiding a scientific secret about bats and their nighttime feeding behavior –…