English language
Published July 27, 2012 by Macmillan Audio.

Eric Carle, Bill Martin Jr.: Polar Bear Book and CD Storytime Set (2012, Macmillan Audio)
English language
Published July 27, 2012 by Macmillan Audio.
Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper.