Every year in Namibia, about two thousand zebras suddenly disappear from their grazing area along the Chobe River. Months later, the herd returns. Where do they go? And why? Thanks to satellite-tracking collars, scientists were able to solve the mystery, but several questions remain. Award-winning science author Sandra Markle reveals the process scientists used to study the zebras, and she also delves into the science of migration, exploring how animals know where to go, how to get there, and when to leave.
€14.99
语言 英语 ● 格式 EPUB ● ISBN 9781541595729 ● 出版者 Lerner Publishing Group ● 发布时间 2020 ● 下载 3 时 ● 货币 EUR ● ID 7292099 ● 复制保护 Adobe DRM
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