- 1Preface
- 2Chapter I — Concerning Wings
- 3Chapter II — The First Bird
- 4Chapter III — The Sizes and Shapes of Wings and Their Relation to F…
- 5Chapter IV — Modes of Flight
- 6Chapter V — Courtship Flights
- 7Chapter VI — How to Tell Birds on the Wing
- 8Chapter VII — How to Tell Birds on the Wing
- 9Chapter VIII — The Wings of Nestling Birds
- 10Chapter IX — Flightless Birds
Birds in Flight
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