Use "birdcall" em uma frase

1. I knew this because just then, a real birdcall pierced the

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2. Bruce heard a subtle birdcall he learned in his scouting days

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3. Now, in early afternoon, I leaned back in the saddle and announced our arrival with the usual birdcall

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4. Sometimes, as if in a dream, she heard roaring, trumpeting, twists of strange birdcall,

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