Zooming In on Amphibians: What Is the World's Smallest Vertebrate?

November 18, 2024

What is the world's smallest vertebrate (animal with a backbone)? It turns out to be a frog. Bolaños et al. (2024) compared measurements of many species of miniature frogs and found that, although there are many very small frogs, the Brazilian flea toad, Brachycephalus pulex, is the amphibian with…