Zebra finches are so good at singing, they could do it in their sleep. And, according to scientists, they do everything but: As they slumber, zebra finches fire up brain regions and vibrate their vocal cords in ways that mimic wakeful warbling.
Zebra finches are so good at singing, they could do it in their sleep. And, according to scientists, they do everything but: As they slumber, zebra finches fire up brain regions and vibrate their vocal cords in ways that mimic wakeful warbling.