Terry Suchma
02-02-2008, 10:52 AM
How the HummingBird Got Its Chirp
By Roger Highfield
...Today, with the help of high speed video analysis, Christopher Clark and Teresa Feo reveal just how the Anna’s hummingbird chirps with its tail. “This is a new mechanism for sound production in birds,” says Clark, a graduate student. “The Anna’s hummingbird is the only hummingbird for which we know all the details, but there are a number of other species with similarly shaped tail feathers that may use their tail morphology in producing sounds.” ...
More: http://www.telegraph.co.uk/earth/main.jhtml?view=DETAILS&grid=&xml=/earth/2008/01/30/scihum130.xml
By Roger Highfield
...Today, with the help of high speed video analysis, Christopher Clark and Teresa Feo reveal just how the Anna’s hummingbird chirps with its tail. “This is a new mechanism for sound production in birds,” says Clark, a graduate student. “The Anna’s hummingbird is the only hummingbird for which we know all the details, but there are a number of other species with similarly shaped tail feathers that may use their tail morphology in producing sounds.” ...
More: http://www.telegraph.co.uk/earth/main.jhtml?view=DETAILS&grid=&xml=/earth/2008/01/30/scihum130.xml