Contents

Contents : what is migration -- knowing the way -- finding out where they go -- Air Travellers (the monarch butterfly -- the locust -- the Arctic tern -- the short-tailed shearwater -- the wandering albatross -- the ruby-throated hummingbird) -- Travelling by water (salmon -- the Sargasso Eel -- the humpback whale) -- Travelling over Land (The Adelie Penguin -- Caribou) -- believe it or not -- animals at risk -- glossary -- index.