Apart from being the third-tallest and second-heaviest living bird and laying bright green or pale green-blue eggs, the cassowary's deep, rumbling call is the lowest frequency sound known from any bird.Frequencies produced extend down to 32 Hz.Science and facts💡
Apart from being the third-tallest and second-heaviest living bird and laying bright green or pale green-blue eggs, the cassowary's deep, rumbling call is the lowest frequency sound known from any bird.Frequencies produced extend down to 32 Hz.Science and facts💡
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