Black frog

[poison beauties]

There are locale specific black auratus that are all black, there are lemon drop sauls tincs that come out all black from time to time as well as melanistic red eyes. Darkland pumilio as well as a couple others. There is an all black galact Ive heard.

[Whistly]

Not a frog but a Toad... the Pebble Toad, saw this on TV about a month ago.
YouTube - The Pebble Toad
Enjoy