Where have all the tadpoles gone? Just a week ago there were hundreds and now there are just a few. I doubt it is predation. There are no big predators, like fish, in the pond. We haven’t seen any tadpoles with legs, so it’s not possible that those hundreds have developed legs and lungs in the last seven days and left the pond. Which leaves two possibilities, the first is shortage of oxygen, but the pond is full of aerating plants and rain brings aerated water too. The second is disease. Disease can kill very quickly, culling high numbers in days, as is the case. To my mind, disease is the likely cause. I can’t think of anything else.
