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 Calliope Hummingbird The Calliope Hummingbird, named after the Greek muse Calliope, is the smallest bird found in the United States and Canada. Due to their high metabolism, the Calliope Hummingbird must eat constantly, feasting on nectar and insects, giving them energy for flapping their wings at incredible speeds. | | Food Preferences of the Calliope Hummingbirds Calliope hummingbirds requires a constant energy source (nectar) and protein source (insects).
 The very high metabolism of Calliope hummingbirds is due to the incredible speed with which they flap wings, continuously burning the food they have consumed for fuel. After feeding from flower nectars, the Calliope Hummingbirds carry pollen to other flowers. Birdfeeders.com is your leading online source for hummingbird feeders, hummingbird nectar, and bird baths. We offer the broadest and deepest set of quality bird feeders to make your hummingbird watching experience even more enjoyable! | | |  |
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