The Cheshire naturalist T. A. Coward gathers what was known in his day about the great seasonal journeys of birds: their causes and origins, the routes they take, the height and speed of their flight, how they find their way, how far they travel and how the weather drives them, with the wheatear among his examples.
A clear, careful little survey for birdwatchers curious about the history of migration studies. Download the free EPUB.