How Old Is a Whale?: Animal Life Spans from the Mayfly to the Immortal Jellyfish

Gr 1-3–From a lifespan of five minutes to immortality, the longevity of a variety of species of animals is featured in this fascinating book. Covering 28 creatures, this work begins with the shortest-lived—the adult mayfly—and will hook readers with the spreads of detailed, but not overwhelming, information. Clear expectations about what exactly comprises the lifespan and details about reproduction, lifestyle, metabolism, and other factors that impact longevity connect the various animals all the way up to the immortal jellyfish. Environmental impacts, including climate change and human interaction, are mentioned but the focus remains on the biodiversity of the animal kingdom and adaptations that these creatures have made to reach their complete lifespan. No further sources are listed and no back matter points readers towards more information but that does not detract from the title; illustrations, done in detailed colored pencil, capture the uniqueness of each creature and their habitats.