From ravens and wolves to coyotes and badgers, animal species often team up in pursuit of food. Follow along as these tag-teaming species track prey through some of Earth's wildest locales, from the valleys of Yellowstone National Park to ice floes in the Arctic. Discover each animal's individual features and how-when combined-these powerful predators transform into the world's deadliest dream teams. With eye-popping photos and quick facts, each book will have young researchers and wildlife enthusiasts rooting for these Animal Allies. Polar Bears and Arctic Foxes Team Up! One powerful polar bear + one sly arctic fox = a dream team! Discover how two vastly different animal species team up to find food. With super-smell and tremendous strength, polar bears are the Arctic's deadliest hunters. So much so, these big-time beasts often have leftovers. Cue the arctic foxes! These clever opportunists are game for any game and will clean up after polar bears, lickety-split.