Another version of this kind of distraction display is where the bird creates the impression of a mouse or some other small animals that's running along the ground.
Those only repeating words performed the same as those with no distraction, but those with the more complicated task showed even worse reaction times—an average of 480 milliseconds extra delay.
Most of the time, when birds are engaging in distraction displays, they are going to be pretending either that they have an injury or that they're ill or that they're exhausted.
She was swimming in the Rock River near Dixon, Illinois, one warm summer day in 1931, when she failed to notice another swimmer barreling down the water slide.