This is something out of a spooky Alfred Hitchcock movie. This pair of nesting Swallows have reacted to new, heavy but automatic doors being installed in an underground bike park by learning how to open them.
The birds flutter in front of the sensors until they’re detected by the system and the doors open in response.
In Pure Spirit
What’s the most remarkable thing you’ve seen a bird learn to do? Are their any clever birds that visit your garden?