Sandra Markle

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...

Provides information about tarantulas, including anatomy, feeding habits, and behavior.

The author/illustrator team of Sandra Markle and Alan Marks has had a profound impact on the world of children's nonfiction with their collaborative efforts on books about different animals around the world. From wolves in Yellowstone to penguins in Antarctica, readers and critics have raved about the way in which Markle and Marks share their stories and information about animals in the wild. In their newest project, readers are introduced to twin...

"Amur leopards are the rarest big cats in the world. But thanks to scientists' new, innovative efforts to study them and breed a reserve population, these majestic cats have a chance to come back."--

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.

Based on a true story, WAITING FOR ICE follows an orphaned polar bear cub as she struggles to find food on Wrangel Island, far north in the Arctic Ocean. Left alone at ten months old, the young female finds herself up against other bears who are bigger and stronger than she is-and just as hungry. Due to rising temperatures, the bears are trapped on the island until the ice packs reform. Only then can they venture out to hunt for seals and whales,...

Describes the anatomy and life cycle of mites, how they infest humans and animals, and the diseases they carry.

Presents information about the crab spider, including photographs and diagrams, how they relate and differ from other spiders, and where they live.

Describes the rescues of people in natural disasters, the trained professionals and everyday heroes who risk their own lives to save them, and some famous rescues.

"Chronicles the early life of an orphaned Mexican free-tailed bat, from its birth to its adoption by a new mother. Includes back matter about bats"--Provided by publisher.