The Duke Gardens website has a page devoted to birdsongs heard in the gardens. The songs are taken from the notable Cornell ...

Although Japanese spirea is a beautiful shrub, it is considered invasive in many U.S. states. Here are some beautiful, native ...

Wetlands managers have spent years using fire and chemicals to fight phragmites, an invasive reed that chokes everything else out. But coaxing native plants to move back in is difficult.