SYDNEY, Aug. 13 (Xinhua) -- Australian researchers have found that playtime between baleen whales and dolphins is often a mutual activity, with many encounters involving "cooperative and reciprocal" ...

From giant pandas and golden snub-nosed monkeys to ginkgo trees and Chinese white dolphins. China is one of the most biologically diverse countries in the world, home to many unique and precious ...

Dolphins in Australia have been seen to use sponges to protect their noses when scouting for fish on the sea floor. But in dolphins, this seems to be a relatively new invention, happening less than ...