When populations fall, fledglings can struggle to learn the right notes to attract mates. But research on how birds communicate offers hope for species' survival ...
Using a clear gel that mimics human skin as a target, researchers from Macquarie University detached the stingers and then filmed them in action pumping venom ...
National park officials took the precautionary measure to limit tourist access after heavy rain caused the Iguazu River to flow at six times the normal rate ...