Belfast must be hotter than Wiltshire then because I have found 1 or 2 cooked froglets on the concrete flagstone stepping stones in the turf around the pond and I have seen one stick on its 2nd landling on a stone. Admitedly if not spooked they seem to avoid the hot surfaces and use the turf as paths so there may be something in what Koi-lo says but when spooked they jump anywhere