Some species include the arctic tern, Hudsonian godwit, long-tailed jaeger and the bobolink. The blackpoll warbler songbird can fly as far from Alaska to the Amazon. Exactly how birds know where ...

These areoften shorebirds, including birds that breed on the tundra and winter in southern South America. Some species include the arctic tern, Hudsonian godwit, long-tailed jaeger and the bobolink.