Each spring, melting snow transports millions of tons of road salt into local ponds and streams. For the first time, researchers studied the impacts of this highly concentrated salt runoff on wood frogs across several stages of life — with a surprising conclusion. Leer más.
The early evolution of sauropod dinosaurs remains poorly understood, with a paucity of unequivocal sauropod taxa known from the first twenty million years of the Jurassic. Recently, the Early Jurassic of South Africa has yielded an assemblage of dental and post-cranial remains displaying a more apomorphic character suite than any other similarly aged sauropodomorph. Leer más.
Egg-brooding frogs (Hemiphractidae) are a group of 105 currently recognized Neotropical species, with a remarkable diversity of developmental modes, from direct development to free-living and exotrophic tadpoles. Leer más.
A new species of lungless salamander (Plethodontidae) is described from the mountains of eastern Guatemala. Leer más.
We describe a new species of the plethodontid salamander genus Cryptotriton from Honduras after comparing morphological, molecular, and osteological data from the holotype to that of the other nominal forms of the genus. Leer más.