NPR News: When Their Food Ran Out, These Reindeer Kept Digging

When Their Food Ran Out, These Reindeer Kept Digging
Reindeer are thought to face a grim future as climate change threatens lichen, a key winter food source. But on one Alaskan island, reindeer have found a new food source, making scientists hopeful.

Đọc tiếp trên NPR
February 18, 2017 at 07:54PM
Environment