It was a beautiful autumn day for our walk to the Raumanga Falls yesterday.
Tūī are known for their incredibly complex and varied songs, which include clicks, whirrs, creaks, and melodies. Because they have a massive vocal range, they often produce sounds that are at such a high frequency—sometimes bordering on ultrasonic—that they are beyond the range of human hearing. This is why there appear to be gaps in their song.

That is truly fascinating to hear.
ReplyDeleteI wish you a wonderful autumn.
It is spring here—
with glorious sunshine today.
Thank you, I have just come across your comment. It is now the start of winter, hopefully, it won't be too bad.
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