What is the name of only bird which can fly backwards?

What is the name of only bird which can fly backwards?

اس پرندے کا کیا نام ہے جو پیچھے کی طرف اڑ سکتا ہے؟
Explanation

Hummingbird is the only bird which can fly backwards. 

Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae.

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