Toad or Frog?

This frog was found near the opening of a large cave at Cave Hollow, Warrensburg, Missouri. The cave wasn’t on the main paths lacing the wooded park. This fellow is a nice specimen. Frogs like water, they’re more reclusive and fearful. They have smooth skin, long legs, webbed feet. The opposites traits are those of toads.

I’ve read that the tiny ones hiding in the grooves of some tree bark are also frogs, but I remember catching a few–they were the size of my thumbnail, and were dry and bumpy, and a mottled color much like the bark. I was told then that they were tree toads. So, I like toads, but I can’t find the kind I recall. I hope I didn’t make them up. Below is a closer photo of the Cave Hollow frog.

Oh, yes, I forgot–bulging eyes, another characteristic of the frog. These look like the headlamps on some cars (I guess the cars took after the frogs, not vice versa).