In order to get to their nesting grounds, a flock of swallows cleverly figured out how to open the newly installed automatic doors of the Campus Bike Centre at the University of Victoria in Canada.
Smart Birds Figure Out How to Open Doors to Get to Their Nests
In order to get to their nesting grounds, a flock of swallows cleverly figured out how to open the newly installed automatic doors of the Campus Bike Centre at the University of Victoria in Canada.
