hummingbird

The hummingbird is the name of a family of small birds, of which there are more than 300 species in the world living in the Americas, and one of the most famous birds of this family is the bee hummingbird, which is considered the smallest bird on earth. It weighs 1.8 grams and is 5 centimeters long, so that frogs eat it because they think it These birds are just insects, and their name is derived from the sound of their fast wings, which reach about 80 beats / second and in the mating season to 200 beats per second. Its length is only 5 cm. Hummingbirds eat nectar from trees and small insects. Their natural enemies are hawks and crows. These birds are called hummingbirds in relation to the buzzing issued by their wings, which moves at a rate of between 60 and 70 movements per second in the smallest species. This bird has an advantage It is that it can fly backward, unlike the common in birds, which is to fly forward. It is worth noting that the dynamic movement of the wings enables it to create a lifting force when the wing is moving from top to bottom and vice versa. The hummingbird lives in the western hemisphere and these birds are found wherever flowers with nectar are found. The presence of most types of hummingbirds is concentrated between latitude 10 north and south of the equator. Most types of these birds reside permanently in their places of existence throughout the year.