More birds out there than previously thought

To: "Birding-Aus" <>
Subject: More birds out there than previously thought
From: Carol Probets <>
Date: Fri, 24 Jun 2005 10:34:44 +1000
All the references I've read indicate that birds hear frequencies in roughly the same range as a human with good hearing. Can anyone give references or have actual examples of birds hearing frequencies as high as 200 kHz?

Ricki Coughlan wrote:
> Given that birds hear sounds up to 200 cycles per second, versus the
> roughly 20 cycles per second of humans ...

I assume you meant "kilocycles per second" (kiloHertz, kHz) rather than
"cycles per second" (Hertz, Hz.)
I did, thanks for pointing it out.

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