Hey! Look out!   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 animals that hide and hunt in them.   Back matter includes glossary, curated reading list and a scavenger hunt.