Invasive species ... Since the species doesn't have any natural predators on the island, it ravaged the ecosystem, causing ...

Many plants now considered invasive species were intentionally cultivated — Japanese knotweed arrived in the U.S. centuries ago, planted as an ornamental, used for animal feed and planted to ...

The invasive Australian ... are all the same animal, but they’re called different names in different regions. The Australian redclaw crayfish are much larger than the species native to ...

Invasive species can displace native species through competition or transmit new diseases. At the same time, however, some of these non-native species are threatened with extinction in their ...

Advertisement The dire wolf isn’t the only animal that Colossal ... and becoming an invasive species themselves. Quolls, in turn, prey on the toads—but often lose their lives in the process ...