Question

What is the name of smallest bird in the world?

Ans- Hummingbird​

Answer 1

Answer:

The bee hummingbird, zunzuncito or Helena hummingbird (Mellisuga helenae) is a species of hummingbird which is the world's smallest bird.

Explanation:

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Answer 2

Answer:

$humming \: bird$

Hummingbirds are birds native to the Americas and constituting the biological family Trochilidae. They are the smallest of birds, most species measuring 7.5–13 cm in length. The smallest extant hummingbird species is the 5 cm bee hummingbird, which weighs less than 2.0 g.