Invasive species are sometimes trapped, poisoned, and shot in large numbers to save native species from extinction. Some scientists say the bloodshed isn’t worth it.
The canine’s presence seems to set off an ecological ripple effect.
The landscape might look very different if foxes and cats hadn’t been introduced.
The Bay Area is deadlocked in a battle over whether its non-native blue gum trees should be felled or protected.
Too often, ecologists focus on attaining an ideal that's no longer possible. An excerpt from the new book, Rambunctious Garden.