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2. Hummingbird - Wikipedia

   en.wikipedia.org/wiki/Hummingbird

   The bee hummingbird (Mellisuga helenae) – the world's smallest bird – evolved to dwarfism likely because it had to compete with long-billed hummingbirds having an advantage for nectar foraging from specialized flowers, consequently leading the bee hummingbird to more successfully compete for flower foraging against insects.

3. When do Hummingbirds leave? As migration starts, how to spot ...

   www.aol.com/hummingbirds-leave-migrations-starts...

   Hummingbirds cross Gulf of Mexico, travel more than 3,500 miles. About 20 of the world's 363 known hummingbird species call the U.S. home, according to the Cornell Lab of Ornithology.. Most are ...

4. Hummingbirds are migrating. When will we see them in Ohio? - AOL

   www.aol.com/hummingbirds-migrating-see-them-ohio...

   Food in nature: The hummingbird's diet includes nectar from flowers, red flowers being their favorite, and small insects. Water: Hummingbirds enjoy shallow bird baths for both drinking and bathing ...

5. Patagona - Wikipedia

   en.wikipedia.org/wiki/Patagona

   Energy requirements for hummingbirds do not scale evenly with size increases, meaning a larger bird such as giant hummingbird requires more energy per gram to hover than a smaller bird. [21] The giant hummingbird requires an estimated 4.3 calories of food energy per hour to sustain its flight. [21]

6. How to help migrating hummingbirds and see their antics ... - AOL

   www.aol.com/news/help-migrating-hummingbirds-see...

   Most of the hummingbirds that visited our gardens over the summer are currently en route to their winter homes in Central America. And the tiny 3-to-5-inch-long birds, which weigh just 0.1 to 0.2 ...

7. Anna's hummingbird - Wikipedia

   en.wikipedia.org/wiki/Anna's_hummingbird

   Anna's hummingbird (Calypte anna) is a North American species of hummingbird. It was named after Anna Masséna, Duchess of Rivoli. It is native to western coastal regions of North America. In the early 20th century, Anna's hummingbirds bred only in northern Baja California and Southern California.