اجمل صور طيور - بدون انترنت

- Are you looking for pictures of various types of birds?

- Permit the application of the most beautiful images birds will be thrown Asthsank to Htwaih the finest images of birds from different regions of the world with high quality.

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Application features:

Operates without Net
It has a user-friendly interface
You can browse images of birds with ease
The application on more than a hundred different images of birds has

Definition and useful information about birds:
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Invertebrate animals, birds, warm-blooded, lay eggs, a bilateral movement, with wings and feathers. There are ten thousand species of birds, almost, and this makes the birds sing row more rows among vertebrate species quartets all parties. Live birds are all included under modern birds layer, and spread in different environments around the earth, from the North Pole to the South Pole. Ranging from five centimeters of live birds sizes as in the bee hummingbird, to 2.75 meters as the ostrich. Paleontology indicates that birds appeared during the Jurassic period, before about 160 million years ago, scientists believe that birds survived the Cretaceous-Paleogene extinction event that occurred 65.5 million years ago.

The modern bird feathers, which covers the skin, free of teeth and beaks, and put the eggs of solid crust, and possession of a high metabolic rate, and ownership of the heart with four chambers, and skeleton lightweight but strong. All types of live birds have wings, the only exception to this is a bird specification Zealand lacking the ability to fly, and the wings are the forelimbs of birds, and most bird species can fly, the birds that can not fly include Alanaamyat and penguins and a number of different species that are endemic islands. Bird also unique digestive organs suitable for the flight and respiratory. As are some birds, especially parrots and Algraabiyat, of the smartest animal species, some bird species have seen things and make you use, and many types of social mobility and cultural knowledge from generation to generation.

Many species of migrating birds annual migrations over long distances, and many migrate from other species migrations shorter and irregularly. Birds are social animals, continue through visual cues and through sounds and singing, and participates in some social behaviors, which include cooperation in caring for younger siblings, fishing and habitat protection from predators. The vast majority of birds marry a marriage unilaterally, that is, take all bird pairs and only one, often through one mating season, sometimes for years, but rarely should continue throughout their lives together. There are other types marry a multiple marriages, any male marry more than one wife, and the female rarely marry more than one husband. Eggs are usually placed in the nest, and the parents are embracing, and most of the birds take care of their young after hatching eggs for a long time.

Many species of birds have economic importance, some are an important source of food, through hunting or breeding. And some species are kept as pets, particularly songbirds and parrots. Among the benefits of the birds also use the faeces (droppings) in the fertilizer industry. Birds intervention in human cultures significantly, they are involved in some religions, poems and songs. There are about 120-130 species of birds exposed to extinction as a result of human activities since the seventeenth century, and hundreds of others before it, and now there are nearly 1200 species threatened with extinction due to human activities, and there are many attempts to protect them.