Today, I noticed the geese going south. We think man is so smart. A goose knows when to leave and when to stay. He doesn’t get lost and stop and ask directions. No google maps either. It’s all in his head and heart. Geese navigate based on experience, using landmarks including rivers, coastlines and mountain ranges. They may also use celestial cues such as the sun and stars. Geese have a physical compass in their head that allows them to tell north and south by detecting the Earth's magnetic field.
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