Re: Cassowary calls may be lowest bird calls

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Re: Cassowary calls may be lowest bird calls

Subject:	Re: Cassowary calls may be lowest bird calls
From:	Dan Dugan <>
Date:	Wed, 29 Oct 2003 11:16:42 -0800

>See http://wcs.org/7411/?art=110481374. Some dinosaur folks are thinking
>that the subsonic calls of the Cassowary may be very similar and
>pleisiomorphic to the calls that Dinosaurs used to communicate...

Had to look that one up:

Plesiomorphic:          in cladistics, this term describes primitive 
or generalized characteristics that arose early in the evolutionary 
history of a taxonomic group. These will be very widespread and will 
therefore not help in dividing the group into lower-level taxa.

-Dan Dugan


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