Thursday, August 2, 2012

Sullivan: vestigial structure

Ostrich, Struthio camelus  42°17'52.75"N 71°05'38.98"W.

Emu, Dromaius novaehollandiae, 42°17'52.75"N 71°05'38.98"W.
Both the emu and ostrich have wings that are vestigial for flying.

No comments:

Post a Comment