A new species of Amazonian fish, Pyrrhulina punctata, has been discovered in Peru, revealing previously unknown biodiversity ...

Hatchlings talk inside their shells to time their birth, but the roar of massive barges may soon drown out their sound.

"It's a really strange animal, and the weird twist in the jaw drove us crazy trying to figure it out." ...

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

High above the forest floor, the Amazon’s newest thoroughfares are not branches or lianas but human-built walkways, and the region’s wildlife is quietly adapting. Elevated paths meant for tourists and ...

Two bird species new to science have been identified in the Amazon Basin by Brazilian researchers. By integrating bioacoustic analysis with morphological data from museum specimens, the team revealed ...