I would straighten out the neck, make it a top down view. get rid of the feet, widen out the tail so it flows with the wings. Then i'd stretch the wingtips up a bit so they come to points.

erm.. actually if you do a search for "swan logo" there's a few pretty decent ones out there.

**Google-Fu - HIYAA!**

http://s3.envato.com/files/234940.jpg
http://logofury.com/wp-content/uploa...an_vasvari.jpg
http://www.prem-rawat-bio.org/dlm_pu.../swan_logo.jpg