...with precision, but knows that he can execute them. What the nestling is not thus thoroughly master of, he hurries over, lowering his tone, as if he did not wish to be heard, and could not yet satisfy himself. A young bird commonly continues to record for...

...with precision, but knows that he can execute them. What the nestling is not thus thoroughly master of, he hurries over, lowering his tone, as if he did not wish to be heard, and could not yet satisfy himself. A young bird commonly continues to record for...

...with precision, but knows that he can execute them. What the nestling is not thus thoroughly master of, he hurries over, lowering his tone, as if he did not wish to be heard, and could not yet satisfy himself. A young bird commonly continues to record for...

...but when unable to execute the passage, he drops it. What the nestling is thus not thoroughly master of, he hurries over; lowering his tone, as if he did not wish to be heard, and as if he could not yet satisfy himself. A common Sparrow, taken from the nest...

...juft as a finger raifes his voice, when he not only recollefts certain parts of a tune with preciiion, but knows that he can execute them. What the neftling...fatisfy himfelf¿ I have never happened to. meet with a paflage in any writer, which feems to relate to this ftage of fingjng in a bird, except, perhaps, in...