Science Insider
Have you heard of the smallest bird in the world?
Vidunenahawula Website (National Institute of Fundamental Studies)
Have you heard of the smallest bird in the world? Well, hummingbirds are the smallest birds in the world and the only birds that can fly backwards. Also, they have no sense of smell and they can’t walk or hop. The name, hummingbird, comes from the humming noise their wings make as they beat so fast.
