If you have ever watched American robins hunt for worms on your lawn, you have probably wondered whether the worm hunters located juicy worms by sight or sound.
Well, researchers have cracked the mystery to this age-old mystery. The birds locate the worms by sound. Once they find a worm, they often tilt the head to direct their strike at the hidden meal.
This is fascinating! That’s why they cock their heads. Noise pollution surely effects them. I will remember to respect their need for quiet.