Exploratorium
Exploratorium: The Amazing Adaptable Frog
Journey back over a million years ago and see how the common frog has adapted and changed.
Exploratorium
Exploratorium: Frogs
The Exploratorium museum in San Francisco provides this exhibit companion site that features information about frogs including their habitats, characteristics, calls, and much more. Instructions are included for making a rain stick.
Curated OER
Ichthyostega
Journey back over a million years ago and see how the common frog has adapted and changed.