Why the Ruby-Throated Hummingbird Range Doesn’t Cover the West 

Ruby-throated Hummingbirds are absent from western North America for numerous reasons. 

Ruby-throated Hummingbirds winter in Central America from eastern North America. They rarely appear in the west since their migration path follows the eastern coast of North America.  

Migration Patterns 

Ruby-throated Hummingbirds like nectar-rich gardens, woodlands, and meadows. Although less extensive than in the east, western US and Canada have appropriate habitat.  

Habitat Preference 

Other hummingbirds compete with Ruby-throated Hummingbirds for western North American food and breeding sites. Western adaptations of competing species may limit the Ruby-throated Hummingbird.  

Competition with Other Species 

West coast of North America has different weather and geography than east. Ruby-throated Hummingbirds may suffer in western mountains and deserts.  

Climate and Geography 

Migration, habitat preferences, competition with other species, and environmental factors may limit the Ruby-throated Hummingbird's western North American distribution.  


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