| 作者 (Author) | Marsh, Laura |
| Summary: Readers will follow these gentle giants, sometimes called sea cows, through their marshy habitats, learning how manatees raise their young and discovering the threats to their environment. | |
| 等级 (MML) | MM Level-3.4 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 768 |
| 类型 (Fiction) | Non-Fiction |
| 系列 (Series) | National Geographic Readers: Level 2; |
| Topic: Animals-Manatees; Science-Zoology; | |
