Most research on the role of introduced species of plants and animals stresses their negative ecological impacts. But are all introduced species bad actors?
In one fascinating case the answer might be no. The iconic giant tortoises of the Galapagos Islands are thriving on a diet heavy on non-native plants. In fact, the tortoises seem to prefer these plants to native ones.
Read the full story in The Source: Endangered tortoises thrive on invasive plants