The Most Amazing BIRDS in the World 8K ULTRA HD - Relaxing Music and Nature Sounds 8K TV

Birds belong to the group of vertebrate animals and are a species that has wings that mostly allow them to fly, although there are also some non-flying birds. In general, birds fly, jump, walk or swim with incredible speed and agility. Just as incredible is what happens in the breeding season. For centuries, the courtship of these species has amazed the human being. 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 meters in the ostrich, the largest bird in the world. Birds have horny beaks and do not have teeth. They are warm-blooded, can walk, jump, and stand only on the hind limbs. Their forelimbs are reshaped with wings, which allow them, in most birds, to fly. Flying is the main means of movement for most birds and they also use it to reproduce, feed themselves, and flee from their predators. However, about 60 species of birds are flightless, these are often found on isolated islands, probably due