Primary numbering

Paul Woodward (grackling@worldnet.att.net)
Sun, 28 Feb 1999 16:01:16 -0500 

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Technically speaking, primaries are numbered from the inner most one to =
the outermost because in evolution its the outermost one that is lost, =
hence our nine primary songbirds.  I guess in a practical sense =
numbering from the outside inward is easier when you are watching live =
birds because you  cannot easily tell which one is innnermost primary. =20

Secondaries by the way are numbered from the outermost one to the =
innermost one.

Hope this helps, Rick

Paul Woodward

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Technically speaking, primaries are numbered from the inner most = one to the=20 outermost because in evolution its the outermost one that is lost, hence = our=20 nine primary songbirds.  I guess in a practical sense numbering = from the=20 outside inward is easier when you are watching live birds because = you =20 cannot easily tell which one is innnermost primary. 
 
Secondaries by the way are numbered from the outermost one to the = innermost=20 one.
 
Hope this helps, Rick
 
Paul Woodward
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