Researcher says not every exotic species needs to be controlled

Certain invasive exotic species, such as the red swamp crayfish, are harmful to our environment because they nibble on aquatic plants, dig burrows in banks, and transmit crayfish plague to native species. "But there are also ...

Why the kookaburra's iconic laugh is at risk of being silenced

Once, while teaching a class of environmental science students in China's Hebei University of Science and Technology, I asked who knew what a laughing kookaburra was. There were many blank faces. Then I tilted my head, much ...

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