01234cam a2200265 4500 503338536 TxAuBib 20210101120000.0 011109s2002||||||||||||||||||||||||eng|u 2001051877 9780618015146 lib. bdg. 0618015140 lib. bdg. DLC DLC DLC TxAuBib Sayre, April Pulley. Secrets of sound : studying the calls and songs of whales, elephants, and birds / by April Pulley Sayre. Boston : Houghton Mifflin, 2002. 63 p. : ill. (some col.), col. map ; 24 x 29 cm. Includes bibliographical references (p. 60) and index. Examines the work of several bioacousticians, scientists who study the sounds made by living creatures, discussing the results and importance of their research. 20210101. Bioacoustics Juvenile literature. Animal sounds. https://catdir.loc.gov/catdir/description/hm022/2001051877.html Publisher description https://catdir.loc.gov/catdir/enhancements/fy0737/2001051877-b.html Contributor biographical information