How many cervical vertebrae do ducks, geese and swan have

Subject: How many cervical vertebrae do ducks, geese and swan have

Date: Thu Jul 3 11:59:19 2003
Posted by Karen
Grade level: teacher/prof School: Michigan State University
City: Battle Creek State/Province: MI Country: USA
Area of science: Anatomy
ID: 1057251559.An

Message:


I want to know how taxonomists distinguish ducks from geese from swan. I believe
that it has to do with each having a different number (or range of) cervical
vertebrae. Something along the lines of ducks 17 and under, geese 18-22 and swan
23 or more. I would like to know the "real" numbers rather than just guessing!

Re: How many cervical vertebrae do ducks, geese and swan have

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