"Invasive species are a serious challenge for our parks and connected ecosystems,” the National Park Service website states.

They also are known to hunt bird eggs ... with many also holding invasive statuses. The Giant African land snail is among the worst for Florida's ecosystem because it crowds out other species ...

Birds, fish, seeds and animals come and go, legally and illegally, every day in the Sunshine State. Some of the worst invasive species in Florida are easily identified. Feral hogs are found throughout ...

IWAKI, Fukushima Prefecture—A weed described as “the worst alien species on the planet ... the Environment Ministry designated alligatorweed as an invasive alien species that poses a ...

Experts said there are ways to help mitigate their spread. Residents added that the lizards are not even the worst invasive species out there. The large lizards were first introduced to the ...

(KOIN) — The Oregon Department of Fish and Wildlife is educating the public about some of the state’s most harmful invasive species ... shellfish and birds – that clean sea water, absorb ...