Discover strange facts about frogs and toads: poison dart frogs, glass frogs, red-eyed tree frogs, cane toads, and the amphibians that breathe through skin...

Discover the extraordinary world of frogs and toads, from poison dart frogs to glass frogs, and learn why these amphibians are disappearing faster than any other vertebrate group on Earth.

Glass frogs have transparent bellies revealing their beating hearts. Expert guide to these tropical amphibians and how they achieve see-through skin.

Poison dart frogs contain toxins that can kill 10 humans per frog. Expert guide to why they're colorful, where their poison comes from, and why captive frogs are harmless.

Golden poison frogs carry enough toxin to kill 10 humans. Expert guide to poison dart frogs, their lethal skin secretions, and how they get their poison.

Everything about the poison dart frog: Dendrobatidae family biology, the golden poison frog's record-breaking batrachotoxin, aposematic colouring, parental care, and conservation threats facing the most toxic vertebrate on Earth.

Everything about the red-eyed tree frog: habitat, size, startle display, embryonic hatching, canopy climbing, reproduction, and the strange facts that make Agalychnis callidryas a Neotropical icon.

Everything about the glass frog: Centrolenidae family biology, the transparent belly skin that reveals a beating heart and visible organs, the 2022 red blood cell pooling discovery, canopy life, male egg guarding, and the conservation threats facing rainforest glass frogs.

Everything about the goliath frog: the largest living frog species, its fast-flowing river habitat in Cameroon and Equatorial Guinea, the 2019 discovery of stone nest construction, the silent biology of a vocal-sac-less giant, and the conservation crisis facing Conraua goliath.