the Sea Lamprey have invades the Great Lakes where they have killed off native species and harmed the fishing industry. Find out hoe they arrived, the problems they cause and other places that are on the lookout for these animals.
The Walking Catfish have upset the balance of the ecosystems and hurt local economies.
Centuries ago, explorers brought hogs to the Americas as a food source. Some of these boars made it into the wild, where their offspring have managed to survive ever since. Wild boars will eat almost anything from garbage, to crops, to other animals. They can also spread disease. Read this book to find out more about how wild boars cause problems around the world and what experts are doing to find solutions.
How the Giant African Snail destroyed field crops and flower gardens and spread diseases to people thousands of miles from their native Africa.
Termites can invade homes and cause a lot of damage. Termites that invade new countries can damage more than just homes. The Formosan subterranean termite was accidentally brought to the United States on infested ships. These invaders have disrupted ecosystems and caused billions of dollars in damage to buildings, crops, and trees. Look inside to learn more about these termite invaders and find out what experts are doing to fight back.
How the Brown Tree Snake made themselves at home, disrupted the island's ecosystem, and created problems for its people and native animals.
Bullfrogs are big eaters, consuming almost anything that fits in their mouths. Meals include birds, turtles, snakes, and even other frogs. At one time, bullfrogs lived only in North America and east of the Rocky Mountains. Today, the large frogs have invaded many parts of the world, causing problems for native wildlife. Look inside to discover how bullfrogs became an invasive species and what is being done to help stop their spread.