TY - BOOK AU - Petty,Kate TI - Whales sing: and other amazing facts about sea mammals SN - 0-7613-0819-9 PY - 1998/// CY - Brookfield, Connecticut PB - Copper Beech Books KW - Whales KW - Dolphins N2 - Examines the many facets of whales and dolphins, including physicalcharacteristics, breathing, hunting, migration, and reproduction ER -