The grizzly bear once roamed much of western North America. In the early 1800s, as many as 50,000 grizzly bears lived in the West. As settlers pushed westward, the bears lost much of their habitat. Fewer than 1,000 grizzlies remained in the lower 48 U.S. states when the bear was listed as endangered. Read this book to learn how grizzly bears came close to extinction and find out what is being done to increase their numbers and insure their survival.
Honeybees are known for their familiar buzzing and honey production. Learn how an experiment meant to increase honey production created aggressive Africanized honeybees that have taken over territory and caused big problems for beekeepers, farmers, and anyone unlucky enough to disturb them.
The California condor is the largest bird in North America. Scientists have found condor fossils that are nearly 100,000 years old. As more people settled in the American west, however, condors lost much of their habitat to human development. By 1982, fewer than 25 California condors lived in the wild. Read this book to find out more about California condors, how they came close to extinction, and what people are doing do help make sure condors stay on the road to recovery.
The bald eagle is known to people around the world as a symbol of the United States. In the early 1800s, as many as 100,000 bald eagles lived in the United States. By the 1960s, the familiar bird of prey was nearly extinct. What happened? Read this book to find out how human activity brought the handsome eagle close to extinction. Discover how human efforts helped it fight back and once again become a familiar sight in North American skies.
The Hands on Science series provide students with background on key concepts in Science. Each title includes engaging hands on exercises that help bring the concepts to life for kids. Real World Science: Animals, provides information on the basic needs of animals, and the body parts and behaviors that help animals meet their needs.
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.
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.
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.
How the Brown Tree Snake made themselves at home, disrupted the island's ecosystem, and created problems for its people and native animals.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of bugs and insects.
Describes the physical traits and behavior of chickens and the role that they play on the farm.
Describes the physical traits and behavior of dogs and the role that they play on the farm.
Describes the physical traits and behavior of horses and the role that they play on the farm.
Describes the physical traits and behavior of goats and the role that they play on the farm.
Describes the physical traits and behavior of duck and the role that they play on the farm.
Describes the physical traits and behavior of pigs and the role that they play on the farm.
Describes the physical traits and behavior of sheep and the role that they play on the farm.
Farm-raised turkeys are an important source of food for millions of people. Readers will learn all about the lives of these intriguing animals, from what they eat to how they spend their days.
Many kinds of workers are needed to care for all of the different animals living at a zoo. Readers will learn about the jobs done by people working behind the scenes to make sure that zoo animals stay healthy and visitors enjoy their days at the zoo.
Llamas are strong, useful animals. Their hair is an important source of fiber and they are excellent pack animals. Readers will find out all about the lives of these extraordinary animals.
Learn how birds inspired inventors to create gliders, balloons, and airplanes.
Learn how scientists have looked toward the kingfisher for inspiration in making high-speed trains quieter.
