What is the most common vocalization produced by the Tawny Frogmouth?

Answer

A soft, low, repetitive croaking sound

The bird's most frequent call is quiet, described as a gentle *hoo-hoo-hoo* or a rhythmic *goo-goo-goo*, used primarily for communication between partners.

What is the most common vocalization produced by the Tawny Frogmouth?
birdanimalappearancecharacteristicFrogmouth