What a nice man Clambake is.
Cofty thanks for the details, evolution has a solid history and everything humans learn about life only goes to support the theorum. Nothing in its 156 year history has detracted from its soundness, even the great advances such as Mendel's inheritance laws and Watson and Crick's revelation of the biological mechanism involved, then recently the genome analysis; all demonstrate conclusively the soundness of Darwin's great idea.
Just for the fuller picture, I have always known that fruit bats and guinea pigs share the inability to synthesize vitamin C as with us humans and looking it up on the internet just now, trout and salmon likewise.