An introduction to the migration patterns of nine very different types of animals, from gray whales and sandhill cranes to polar bears and monarch butterflies, discusses their life cycles and how to spot them.

"Sharp-eyed readers will need to keep their eyes peeled in this engaging look at how animals of all shapes and sizes blend in and survive in their native ecosystems. How do animals deal with danger? From crocodiles standing on their tails to great white sharks with their jaws wide open to well-camouflaged venomous snakes, prospective naturalists and conservationists will have a lot to look out for in this exploration of dynamic ecosystems and the...