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Best Cute Birds 4K in the world 2022 Animal’s Worlds
Birds belong to the group of vertebrate animals and are a species that have wings that primarily allow them to fly, although there are also non-flying birds.
In general, birds fly, jump, walk or swim with incredible speed and agility. Equally amazing is what happens during the breeding season. For centuries, the frequentation of these species has astonished human beings.
The size of the birds varies from one species to another, they can measure from 6.4 cm in the case of a small hummingbird, to about 2.74 meters in the ostrich, the largest bird in the world.
The birds have a horny beak and no teeth. They are warm blooded, can walk, jump and stand on their hind limbs only.
Their forelimbs are reshaped with wings, which in most birds allows them to fly.
Flight is the primary means of movement for most birds, and they also use it to breed, feed, and flee from predators.
However, about 60 species of birds are flightless, they are often found on isolated islands, probably due to the scarcity of resources and the absence of terrestrial predators.
Communication between birds is versatile and can involve sensory signals, calls and songs. Some emit a wide variety of sounds and calls.
The diet of birds includes a large amount of food like nectar, fruits, plants, seeds, carrion, and various small animals including other birds. However, the diet varies by species.
Birds inhabit all land regions and all oceans of the world. They are even found in the Antarctic region.
Birds generally migrate to take advantage of seasonal temperature differences across the world. Migrations vary considerably by gender.
There are over 9,000 different types or species of birds on the planet.