Photos:

Image Gallery: Invasive Species

PREVIOUS | NEXT
1 of 9

The Invaders

Credit: Roy Wood, National Park Service
They are aliens that use their physical or other prowess to take over other ecosystems, having profound effects or native residents and the environment…Read More »









as a whole. They're called invasive species, and they come in various shapes and sizes, from the giant Burmese python to the teensy West Nile virus, spanning both animal and plant worlds. Here's a look at some of these pesky invaders.   Less «
More from LiveScience