I love mucking about in the forests in the spring, especially when there are vernal pools nearby. It's usually easy to find the vernal pools, because the wood frogs are calling so loudly. I follow my ears to the ephemeral pond then start carefully moving around it looking for egg masses. All the frogs go silent as soon as I show up, but I've found if I sit still and wait long enough, they might just start callling again. The Cable Natural History Museum in Wisconsin created a