Migrating birds can cover thousands of miles in their annual travels, often traveling the same course year after year with little deviation.
First-year birds make their very first migration on their own. Somehow they can find their winter home despite never having seen it before, and return the following spring to where they were born.
The secrets of their amazing navigational skills aren’t fully understood, partly because birds combine several different types of senses when they navigate. Birds can get compass information from the sun, the stars, and by sensing the earth’s magnetic field. They also get information from the position of the setting sun and from landmarks seen during the day.
Harriett has finally agreed to tell us about Quantum Biology. “Nature figured it out first,” she teased the Doctor.