IN EARLY SPRING, MELTED SNOW and rain trickle through forests, forming pools amid the leaf litter. Within these basins, life begins to sing. Frogs and salamanders migrate to these waters, where fairy shrimp emerge from dormant eggs.
Though they reappear in the same places each year, these isolated wetlands, called vernal pools, are ephemeral, filling as winter ends and drying by late summer. With no fish or other aquatic predators, they’re vital nurseries for tiny critters and feeding grounds for reptiles, birds, and mammals. “You can hear them sometimes before you even see them, because they’re very active in the spring,” says Abby Pointer of the Michigan Nature Association.
Vibrant as they are, vernal pools tend to “fall through the cracks,” Pointer says. Due to their seasonal nature and modest…