Lambeosaurs and cassowaries: helmet used to receive sound?

[bh480@scn.org]

From: Ben Creisler bh480@scn.org
Cassowaries? Low-frequency Sounds May Give Insight Into 
Dinosaur Communications

In case this story has not be cited here, new research 
indicates the cassowary's casque may function both to 
produce and receive low-frequency sounds, and may provide 
insights into communication in hollow-crested hadrosaurs.
http://wcs.org/7411/?art=110481374

NOTE: I tried sending this message before, but had 
technical problems (solar flare attack?), so ignore it if 
got
through.