非洲草原象：会移动的草原工程师
本期认识非洲草原象：从像扇子一样的大耳朵、灵巧长鼻和象牙，到取食迁移、象群亲族关系、生态工程师作用与远距离观察提醒，看看这位草原巨人怎样把水源、种子和动物通道连在一起。
事实来源
- Animal Diversity Web: Loxodonta africana
- IUCN: Both African elephant species endangered and critically endangered
- WWF UK: African elephant
- San Diego Zoo Wildlife Alliance Library: African Elephants fact sheet
画面来源
画面使用可复用的真实非洲象视频素材，来自 Pixabay elephant videos 与 Pexels African elephant videos。
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