The brightly colored amphibians were recently discovered in Brazil's Atlantic rain forest, a new study says.
Six new species of tiny frog discovered in Mexico
Two New Frog Species are World's Smallest
Leopards and Dragons: June 2015
Zootaxa
Newspaper articles about amphibians – Amphibienschutz
Leopards and Dragons: June 2015
Six New Miniature Frog Species Discovered in Mexico, Smart News
New staple-size frog from Madagascar is one of the tiniest ever discovered
7 M&M-Size Frog Species Found, Among World's Smallest
Behold: 4 New Species Of Tiny Frogs Smaller Than A Fingernail : The Two-Way : NPR
Leopards and Dragons: June 2015
Newspaper articles about amphibians – Amphibienschutz
SEVEN SPECIES OF TINE FROGS DISCOVERED: HOW SMALL DO FROGS GET ? - EasyTech
New species of 'miniature' frog discovered in Rwanda: study