The Buff-Bellied Hummingbird is the least studied of hummingbirds indigenous to the United States.
For unknown reasons, the Buff-bellied Hummingbird usually flies to the northeast from its breeding areas in the southern part of Texas. This movement is unique among North American hummingbirds.
Food Preferences of Buff-Bellied Hummingbirds
Buff-Bellied Hummingbirds require a constant energy source (nectar) and protein source (insects).
The very high metabolism of Buff-Bellied hummingbirds is due to the incredible speed at which they flap their wings, continuously burning the food they have consumed for fuel.
After feeding from the nectar of flowers, the Buff-Bellied Hummingbirds carry pollen to other flowers.
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