A very tiny toad in the garden bed

I usually see these little fellas when theyre about the size of the end of my thumb, but the ones we have hopping around these days are barely the size of my pinkie fingernail. Smallest vertebrates I've ever seen, even if they are just juveniles. Extremely difficult to see when they aren't hopping around, and even then they look like insects!
For those concerned about the sound of the riding mower don't worry, that's on the other side of the road.