For 130 years, a small Chilean frog vanished from scientific view. Biologists searched. Nature enthusiasts kept their eyes ...

Following a 7,000-mile-long rescue mission for conservation, 33 tiny Southern Darwin’s frogs ( Rhinoderma darwinii) were born at London Zoo. This species is particularly susceptible to the deadly ...

a group that includes frogs, toads, and squids,” said Mariana Chuliver, a researcher at the Félix de Azara Natural History Foundation (Universidad Maimónides, Argentina) and lead author of the ...