Ruby-Throated Hummingbird Facts

Male and female ruby-throated hummingbirds differ in their appearance in several ways. Males are more vibrantly colored than females. 

This hummer breeds in the summertime, throughout the eastern United States and Canada.

Migration patterns of ruby-throated hummingbirds vary: Some migrate between their breeding and wintering grounds by flying across the Gulf of Mexico while others follow the Mexican gulf coastline.

Ruby-throated hummingbirds feed primarily on nectar and small insects. They occasionally supplement their diet with tree sap if nectar is not readily available. 

During the June–July breeding season, ruby-throated hummingbirds are highly territorial, behavior which is reduced during other times of the year. 

There are an estimated 7 million ruby-throated hummingbirds in the world, and they are classified as Least Concern by the International Union for Conservation of Nature

Northern migration dates of ruby-throated hummingbirds have already been measurably impacted by global climate change

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