Migratory birds are thought to have dispersed F. chiloensis from the Pacific coast of North America to the mountains of Hawaii , Chile , and Argentina .
Its natural range is the Pacific Ocean coasts of North and South America , and also Hawaii .
Migratory birds are thought to have dispersed F. chiloensis from the Pacific Ocean coast of North   to the mountains of Hawaii , Chile , and Argentina .
Its natural range is the Pacific Ocean coasts of North and South America , and also Hawaii .