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As hummingbirds and other bird species evolved over time, they developed a variety of traits and skills beneficial to both the birds themselves and to the continuation of their species. The vast array of hummingbird species is an example of the result of these evolutionary processes. Certain birds have developed beaks allowing them to feed at particular flowers, others have cultivated brightly colored plumage, and yet others are known for the exceptional skills at navigation. Many highly skilled bird behaviors are innate - certain bird species are born with these abilities, as is the case of the homing pigeon’s innate homing ability. Scientists often do not know how these skills have been acquired in the population, except to note that these traits became advantageous for the birds as their populations evolved in their respective environments.

• How long is the Rufous hummingbird’s migration route?
• Describe the path of the Rufous hummingbird’s migration.
• How does the Rufous hummingbird vary its migratory path? How does it know to do so?