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.
The Monitor Lizard is large; adults can grow up to 7 feet in length. A vicious predator that will eat anything it can fit into its mouth. Native to Africa, the Monitor Lizard has successfully established a new home in Florida, disrupting an already delicate ecosystem.
Less than a decade ago, there were only a few pythons in the everglades. Today more than 100,000 of them are slithering around south Florida, crushing what was already a delicate ecosystem. Readers will be introduced to the concepts of invasive species and challenged to think critically about the cause, effect, and control of dangerous creatures.
The Small Indian Mongoose was imported to the Hawaiian Islands to control the rat population. Now, it threatens to disrupt the ecosystem of the island. Read this book to learn how this happened and what can be done to control this invasive species.
How the Brown Tree Snake made themselves at home, disrupted the island's ecosystem, and created problems for its people and native animals.
Fire ants are tiny, but they pack a powerful sting. Some kinds of fire ants were accidentally brought to North America from South America in cargo ships. Look inside to learn how these invasive fire ants have spread to many places around the world and why they are a threat to wildlife, human beings, and economies.
A look at bison, including their habitats, physical characteristics such as their shaggy coats, behaviors, relationships with humans, and threatened status in the world today.