An estimated 70 million feral cats live in the United States alone—decimating bird populations and threatening public health. This informative book investigates the growing populations of "obligates"—abandoned pets, now wild and producing feral offspring, and introduced animals that live in urban and urban fringe areas. An examination reveals the impact these animals are having on resources, space, and native species. Additional content focuses on the charities and organizations that help care for and limit the numbers of feral animals.
Read about unusual animal journeys around the world, from wandering saltwater crocodiles to invasive insect species and outbreaks of Australian plague locust. Interesting facts, unexpected outcomes, and human impacts on the journeys are highlighted.
Read about extraordinary animal migrations by water, from tremendous upstream journeys by Pacific salmon to the extreme long-distance migration of the humpback whale. Interesting facts and obstacles are highlighted, and a sidebar details how humans impact each migration.
Read about extraordinary animal migrations by land, from the millions of red crabs that migrate at the exact same time on Christmas Island to the grueling journey of the pronghorn in North America. Interesting facts and obstacles are highlighted, and a sidebar details how humans impact each migration.
Read about extraordinary animal migrations by air, from the incredible migration of the godwit between Alaska and New Zealand to the long-lasting journey of the monarch butterfly across North America. Interesting facts and obstacles are highlighted, and a sidebar details how humans impact each migration.
Which innovative ideas and inventions began with the Vikings? Find out how the Vikings built their longships and set sail from their homeland, forging a path across the sea on raiding and trading expeditions. Discover how their brilliant developments in navigation, transportation, government, and language still influence the way we live today.
Which innovative ideas and inventions began with the Romans? Find out how the Romans trained their soldiers, built their roads and buildings, and supplied their people with food and water. Discover how their brilliant developments in language, government, law, and entertainment still influence the way we live today.
Which innovative ideas and inventions began with the Maya? Find out how the Maya built their cities to suit the landscape and population, traded their resources, and developed a complex system of writing. Discover how their brilliant developments in farming, astronomy, and cloth-making still influence the way we live today.
Which innovative ideas and inventions began in the Benin Kingdom in Africa? Find out how a collection of separate villages and communities grew into a strong, united kingdom and developed a network of successful trading relationships. Discover how their brilliant developments in town planning, language, art, and medicine still influence the way we live today.
Which innovative ideas and inventions began with the Anglo-Saxons? Find out how the Anglo-Saxons farmed their land, built their houses, and organized their society. Discover how their brilliant developments in defense, law, language, and storytelling still influence the way we live today.
Which innovative ideas and inventions began with the ancient Greeks? Find out how the ancient Greeks organized their society, trained their soldiers, used their ships for trade and transportation, and built their temples. Discover how their brilliant developments in architecture, politics, art, medicine, theater, and sports still influence the way we live today.
Which innovative ideas and inventions began with the ancient Egyptians? Find out how the ancient Egyptians built their temples and pyramids, irrigated and farmed their land, and took care of their people during life and after death. Discover how their brilliant developments in farming, papermaking, timekeeping, and medicine still influence the way we live today.
Native to several mountain ranges and plateaus in south Asia and eastern Europe, the snow leopard has been threatened by habitat loss, poaching, and a reduced food source. Learn how collaborative programs across borders and with local people have helped the species populations in some areas remain steady, and also benefit the big cat's main food source, wild sheep and goats, whose numbers are reduced by hunters and competition for grazing from livestock.
The lesser long-nosed bat became the first bat species to be removed from the US endangered species list due to population recovery. This mammal plays a vital role as a pollinator in desert ecosystems in the southwestern United States and Mexico. Readers will learn about the collaborative efforts between the two countries, conservationists, tequila producers, and citizen scientists that are bringing back not only the lesser long-nosed bat, but the plants they rely on for food.
The black-footed ferret was once listed as extinct on the prairies of North America. Its population had been devastated by a disease that also reduced its main food source—prairie dogs. This book tells the fascinating story of the black-footed ferret's rediscovery in 1981 by a dog in Wyoming. Readers will learn how the find inspired a captive breeding program that is restoring not only this prairie species to the wild, but its essential food source as well, the prairie dog.
Explores the fascinating world of robots. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.
Explores the fascinating world of online gaming. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.
Explores the fascinating world of drones. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.
Explores the fascinating world of coding. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.
Explores the fascinating world of apps. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.
Examines how scientists study wildfires. With colorful spreads featuring fun facts, sidebars, a disaster preparedness checklist, and a "How It Works" feature, this book provides an exciting look at the science of disaster detection.
Examines how scientists study volcanic eruptions. With colorful spreads featuring fun facts, sidebars, a disaster preparedness checklist, and a "How It Works" feature, this book provides an exciting look at the science of disaster detection.
Examines how scientists study tsunamis. With colorful spreads featuring fun facts, sidebars, a disaster preparedness checklist, and a "How It Works" feature, this book provides an exciting look at the science of disaster detection.
Examines how scientists study tornadoes. With colorful spreads featuring fun facts, sidebars, a disaster preparedness checklist, and a "How It Works" feature, this book provides an exciting look at the science of disaster detection.
Examines how scientists study hurricanes. With colorful spreads featuring fun facts, sidebars, a disaster preparedness checklist, and a "How It Works" feature, this book provides an exciting look at the science of disaster detection.