Well, just so we have everything at a glance. Here are the official definitions.
n. One versed in herpetology, or the natural history of reptiles.
n : a zoologist who studies reptiles and amphibians
That's it. Those are the definitions. This is definately a good debate, but going by the actual definitions, I have not seen a wrong answer. Everyone is going to have their interpretation.
I planted some bird seed. A bird came up. Now I don't know what to feed it.