Many of us look to robins as an indicator of the unfolding spring. Their larger flocks moving over lawns and fields must surely mean the ground is thawed and flowers will be blooming?
”Vernal” means “in, of, or appropriate to spring.” “Pool” means “a small area of still water, typically one formed naturally.” But put them together and you have a magical temporary wetland without which many species would not be able to breed.
