For the casual visitor, Teller Lake in Boulder, Colorado looks like a delightful fishbowl filled with thousands of gorgeous orange, black, and white goldfish floating around. However, to the Colorado Parks and Wildlife Department they are a group of invasive species that could end up disrupting the lake's entire ecosystem if not removed soon.
If you ever visit the city of Chengdu that lies southwest of China's Sichuan Province don't be surprised to see a cute backpack-carrying poodle strutting down the streets on its hind legs. According to its owner 43-year-old Zhu Tai, the dog can walk for almost a mile before it needs to come down on all fours.