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The term "Trochili" refers to a suborder of birds within the order Apodiformes, which exclusively comprises hummingbirds. Hummingbirds are small, often vibrantly colored birds belonging to the family Trochilidae. They are found exclusively in the New World, with the greatest diversity in South America.12

These birds are known for their compact, muscular bodies and uniquely articulated wings that allow for remarkable flight capabilities, including hovering, flying backward, and rapid changes in direction. Their bills are adapted for sipping nectar from flowers, and their small size ranges from the bee hummingbird, one of the smallest birds in the world, to the giant hummingbird.2

The term "trochus" can also refer to a genus of marine gastropods (snails) known for their nacreous shells, which are used for decorative objects. However, in the context of bird classification, Trochili specifically denotes hummingbirds.31

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