Michael D. Kern / Two Dyeing dart frogs (Dendrobates tinctorius) against background, captive occurs in Guyana, Suriname, Brazil, and French Guiana. Available for on-line use only.

Bert Willaert / Marbled poison dart frog (Epipedobates boulengeri) on leaf, Ecuador.

Chris Mattison / Yellow poison dart frog (Phyllobates terribilis) the world's most poisonous amphibian captive from northern South America.

Chris Mattison / Yellow poison dart frog (Phyllobates terribilis) the world's most poisonous amphibian captive from northern South America.

Roland Seitre / Harlequin Poison Dart Frog (Dendrobates histrionicus) in defensive posture, native to South America

Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas) sitting on colourful variegated leaves. Captive, found in Brazil, Guyana, Venezuela

Michael D. Kern / Powder blue dart frog (Dendrobates tinctoruis) pair, captive, from Central America

Rod Williams / Golden Poison Dart Frog (Phyllobates terribilis) captive, from Colombia, Endangered Species

Thomas Marent / Harlequin Poison Dart Frog (Dendrobates histrionicus) on bromeliad, Cauca, Colombia

ZSSD / Blue Poison Dart Frog (Dendrobates azureus) very tiny poisonous frog, Indian tribes use poison for arrows, native to South America, San Diego Zoo, California

Edwin Giesbers / Strawberry poison dart / arrow frog (Dendrobates pumilio) on leaf, Costa Rica

Jouan & Rius / Strawberry poison arrow frog (Dendrobates pumilio) in toadstool, rainforest habitat, Costa Rica