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Re: Science feather strength debate

On Oct 31, 2010, at 9:05 PM, David Marjanovic wrote:
> Bats have no keel at all...
> That said, the keel of extant birds does not immediately ossify. It stays 
> cartilaginous and unfossilizable for quite some time.

Just for the record; many bats do have a keel - often on the manubrium rather 
than the sternal body.  I'm sure someone has mentioned this in writing, though 
I don't know where.  I only know about it because I've seen it while measuring 


--Mike H.

Michael Habib
Assistant Professor of Biology
Chatham University
Woodland Road, Pittsburgh PA  15232
Buhl Hall, Room 226A
(443) 280-0181