This wolf growl is often used as a bear sound in movies and on TV because people think black bears should sound like this.
Growls are rare or absent in black bears.
Fearful people often describe any bear sound as a growl. This is a distress sound made by a fearful cub. This sound is commonly made when a cub is separated from its mother. This recording was made while a researcher examined a cub out in the field. The cub was soon released back to the mother.