Complex sentence: Palm Warblers breed in open coniferous bogs and edge east of the Continental Divide, across Canada and the northeastern migrate to the southeastern United States, far eastern Mexico and islands of the Caribbean to winter.
Split into simpler sentences: Palm Warblers breed in open coniferous bogs and edge east of the Continental Divide, across Canada and the northeastern United States, where. These birds migrate to the southeastern United States, far eastern Mexico and islands of the Caribbean to winter.