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Re: Songbird audiograms

Subject: Re: Songbird audiograms
From: César Sánchez <>
Date: Tue, 25 Mar 2008 08:59:00 -0700 (PDT)
Hello Ron, Bioacusticians

A large number of bird species especially hummingbirds have very high 
frequencies, reaching up to 17-19 kHz.
Other examples which I studied are some finches in the genus Haplospiza and 
Acanthidops whose higher frequencies are almost 13 kHz. If you want a copy of 
this paper let me know



César Sánchez M.
Escuela de Biología
Universidad de Costa Rica
Ciudad Universitaria 
San José. Costa Rica.

----- Original Message ----
From: Allen T. Chartier <>
Sent: Saturday, March 22, 2008 7:49:01 AM
Subject: Re: Songbird audiograms

A review of sonograms published on the website for 
brush-finches (Atlapets sp.) reveals many species with songs and calls in 
the range of 8-11 kHz.

Allen T. Chartier

Inkster, Michigan, USA
Every day, the hummingbird eats its own weight in food.
You may wonder how it weighs the food.
It doesn't. It just eats another hummingbird.
-- Steven Wright

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