Sorry guys... your all wrong... I'd have to say, those are: Flying Black eyed Green Tree Horned Pacman Tomato toad frogs. Very rare... Couldn't help but join the debate!
LOL, I actually have these around my house. They are about 18 inches in diameter, have 5-6 inch conifer trees protruding from above the eyes, are round, and keep the deer and coyote populations in check.