These little frogs are wildlife pioneers

Amphibians - Capitol Reef National Park (U.S. National Park Service)

The Many Lives of 'Sounds of North American Frogs' - Atlas Obscura

Frog Fact Sheet, Blog, Nature

Saying Goodbye to Toughie (the last suriving Rabbs fringe-limbed treefrog) – Dr. James Borrell

Can frogs be obese? - Quora

These little frogs are wildlife pioneers

The Wise Glass Frog of El Valle de Anton

Spreading Resistance: NRS Scientist Returns Frogs To High Sierra Lakes - Natural Reserve System

The European Green Toad

Voices on the Ground: A Pioneer for Amphibians in Africa – Rainforest Trust

New Tiny Green Frog Is First Spotted in Costa Rica

frog Blog

The Sonoran Desert toad can get you high. Poachers have taken notice.

Do Your Frogs or Toads Have Trouble Catching Insects?

Bright lights, big city, tiny frog: Romer's tree frog survives Hong Kong