On the way down through the Hawaiian dusk and near the end of our trip down from the canyon I saw some little animals on the road ahead... I thought maybe some small birds (there are mourning doves in abundance here). But no... it was hundreds of cane toads. They practically covered the road, it was like a plague of cane toads. I tried to miss them with the car as much as possible. One toad that I missed by driving directly over it jumped and hit the car's under carriage.
Cane toads were introduced to Hawaii to eat beetles that were killing sugar cane. Then they started growing out of control. They have little poison sacs behind their eyes that kill predators that eat them, too, so they've been successful in killing more than just beetles.
We jumped out of the car and took a couple of pictures of these monster toads. But you couldn't get too close or they would take a running start and then jump off the road.