Hummingbirds are amazing little birds. There are many of their types, but they all differ in modest size and amazing beauty. In Russia there are no hummingbirds, but you can see them with your own eyes in zoos and ornitharies.
Hummingbirds are the smallest birds on Earth. The weight of the smallest hummingbirds from the number of adults is about three grams.
The largest of the hummingbirds are giant hummingbirds, the sizes of these birds reach 21 centimeters, and the weight of 20 grams.
The hummingbird has a huge heart, by their standards, it is three times as big as the stomach, and it takes up more than a third of the volume of their entire body.
The heart of the hummingbird makes 500-1000 beats per minute, and during life it decreases about 4.5 billion times.
On the day of the hummingbird, it consumes more food than its own weight.
Hummingbirds can fly at speeds of up to 70-80 kilometers per hour.
Constant pairs of hummingbirds are never created.
For a second, the hummingbird makes up to 80 strokes of the wings.
More than three hundred species of hummingbirds live on Earth.
The biggest recorded lifetime of hummingbirds is 17 years, but on average they live less, about 9 years.
Hummingbirds are the only bird that can fly backwards or upside down.
During migration, the hummingbirds can overcome a thousand kilometers in less than a day.
On a unit weight hummingbirds consume about a hundred times more food than elephants.
Hummingbirds feed only while in the air.
The emblem of the island state of Trinidad and Tobago depicts a bird of hummingbirds.
