Numerous studies document the benefits to students from school grounds that are ecologically diverse and include free play areas, habitats for wildlife, walking trails, and gardens.
Speaking of finding frogs, scientists have discovered a new species of leopard frog right here in New York City. Its range is more or less the area within commuting distance, from New Jersey through Putnam County, and it was discovered because, although it looks very similar to other species, it has a distinct croak.
Whenever I've gone camping in early spring, I've heard the spring peepers making their loud racket, but I've never been able to find or see one. It looks like the excellent urban nature blog The Natural Capital has come through for me with a post on How to Find a Spring Peeper—they say it works. It only takes three people, 3 flashlights, and plenty of time.