Sandra Markle

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

Introduces orca whales, describing their physical features, what they eat, where they live, and how they care for their young.

Introduces lions, describing their physical features, what they eat, where they live, and how they care for their young.

Every year in Namibia, about two thousand zebras suddenly disappear from their grazing area along the Chobe River. Months later, the herd returns. Where do they go? And why? Thanks to satellite-tracking collars, scientists were able to solve the mystery, but several questions remain. Award-winning science author Sandra Markle reveals the process scientists used to study the zebras, and she also delves into the science of migration, exploring how animals...

A mother emperor penguin is charged with a special duty: to bring food to her newborn chick. But the closest food is in the open sea, miles from the penguin breeding ground. While the father penguin incubates the egg as it develops into a chick, the mother must trek far across the pack ice, dodging predators and battling bitter cold to bring back the food her baby desperately needs.

"Owls are one of the world's top predators. These stealthy hunters can fly nearly silently, see long distances, and easily hear prey. Discover the hunting behaviors of owls and see how they train their owlets."--

"This fascinating look at Gobi bears--the rarest bears on the planet--includes the story of why so few of these bears remain and what scientists are doing to help this critically endangered species"--

"Grizzly bears are top predators in their habitats. Their enormous size, keen senses, and ultra-sharp teeth and claws make them one of nature's greatest hunters. Learn about their lives and see them hunt down prey."--