- トップページ
- Wonder Channel
- Tundra Swan
2016-3-1 UPDATE
Tundra Swan
A mysterious migrant bird with a sixth-sense for determining direction
How does the Tundra swan know North from South, or South from North? A widely accepted hypothesis is that they have an internal magnetic compass. Even though this is a controversial hypothesis, recent studies of this mechanism on a molecular level have given new credibility to this theory. [5’25″/Subtitles: Japanese, English]
Other people also read these articles.
