In some group-living animals, individuals other than the parents help care for offspring. This breeding system, known as ...

In some group-living animals, individuals other than the parents help care for offspring. This breeding system, known as cooperative breeding, is ...

The Western Ghats mountain range runs roughly 1,600 kilometres along India's western coast, and the streams that tumble down its eastern and western slopes carry one of the highest concentrations of ...

If you liked this story, share it with other people. Migratory freshwater fish have declined by an estimated 81% since 1970 yet remain largely overlooked in global conservation policy. At the latest ...

Reaching up to 10 feet (3 meters) long and weighing 440 pounds (200 kilograms), arapaima are the largest freshwater fish in South America—and an important species in the Amazon River ecosystem. Learn ...