Sandra Markle

Looks at the Panamanian golden frog, the national symbol of Panama, which has been vanishing due to a fungus infection, and follows a team of scientists working to save these frogs and protect frog populations worldwide.

"The African Penguin population is critically low, due to various factors including climate change. Scientists and volunteers with a South African organization are helping to rescue these endangered birds by rearing abandoned chicks."--

Southern white rhinos are in trouble. For years, a rumor has been spreading that their horns can be used to cure cancer, and poachers have been targeting these creatures. Sandra Markle takes readers behind the scenes to see how civilians, volunteer organizations, and African governments are working together to protect rhinos.

Discusses what makes hornets similar to and different from other insects and reveals details about hornets' bodies.

"This informative title sheds light on a mystery of nature: how little brown bats, nature's insect eaters, are mysteriously dying in their caves during hibernation. Each chapter takes readers into the problems that plague this endangered member of our ecosystem, describing how teams of scientists examined how "white-nose syndrome," caused by a fungus called Pd, is infecting the brown bat population. Scientists have searched different caves and mines...

Introduces wind scorpions, describing their physical characteristics, life cycle, and behavior.

Describes the physical characteristics, behavior, habitat, and life cycle of the polar bear.

An introduction to the lives of wolves that focuses on how they hunt and how they raise their cubs.