Birds Birds are a group of inner vertebrates that are internal to the heat, characterized by the presence of feathers on their body and the toothless beak. They have the heart of the four chambers in relation to a light-shaped skeleton and weight. In general, birds are spread throughout the world, including Antarctica known as Antarctica, The birds have wings, some of which are sophisticated and sturdy to fly through, and others are simple because they can not lift the bird in the air for good, and sometimes allow the bird to fly even a short distance, for more information to you this article. The name Bird in Arabic refers to an animal that flies in the air with two wings. The animal can not belong to birds unless its body contains wings to help it move through the air. According to the Arabic language dictionaries, the word bird is bird, bird and bird. , While the term minimization is developed.
Communicating birds Birds communicate with each other in most circumstances with signs and vocal songs. Different types of signals may be used to communicate between members of the same species or between different species of birds in the ocean. A group of birds may show feathers to prove and control other species , Or to gain love and femininity of the opposite sex to entice marriage, and may also be used to threaten and intimidate enemies. Birds fly Most birds have the ability to fly, which distinguishes them from all other vertebrate communities. Aviation is the primary means of movement for most birds. Birds have multiple bodily adaptations that increase their ability to fly, such as the skeleton, and flight muscles, namely the musculature, the limb muscle, Carrier. Self-defense in birds Predicts the danger of predators coming through their piercing eyes and sharp hearing. Once the next danger is found, the bird takes an offensive or defensive position such as flying, enemy, attack, fighting, gathering in swarms, Or the use of camouflage method. Most birds are characterized by their daytime activity, but some, such as owls, are considered to be the active objects of the night or the twilight that is active in the twilight hours.
