Note 66 — Chapter XXXI · THE LITTLE BUSTARD. (Otis tetrax.)
Reading edition
Col. Irby gives this love-note as "prut, prut." Mr. Howard Saunders describes the rising and falling movement as more of a jump, which may very likely be a more correct definition; or, perhaps, both actions are executed. At the distance at which observations are possible, it is difficult to be quite certain what one sees.