Secret of the Singing Mice . . . and More! (Animal Secrets Revealed!) (Animal Secrets Revealed!)

Grade 4–6—These books offer fascinating accounts of how scientists systematically analyzed, tested, and proved their theories or how their findings led to other, serendipitous discoveries. Singing Mice discusses the sac-winged baby bats' early communication skills, the ultrasonic mating calls of male mice, and what colors degus can see. Suffocating Slime Trap explains that the hagfish's mucous secretion kills predators, the flounder's special antifreeze molecules protect it in colder waters, and more. Science experiments are thoughtfully placed to inspire exploration, and captioned, full-color photos appear throughout.—Nancy Call, Santa Cruz Public Libraries, Aptos, CA
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