About swallow 

     Swallow has a global distribution in all parts of the world, is born in every continent except Antarctica, and is believed to be originated in Africa, is characterized by being the most widely distributed on a large scale, as it is one of the most familiar types of birds in the world.
This bird is characterized by popular for lightness Supreme movement in flight, with a slender body, long, long wings, tail forked, has attractive feathers blue, black and red colors, wings and black tail pale underside, birds males and females are very similar in appearance, although the tail can to be longer in males
Swallow may adapt to catch insects on the wing, characterized by long wings, which allows him a big maneuver and extreme endurance, they have short beaks, but a strong jaw and has a wide gap, ranging in length body of about 10-24 cm, and weight about 10-60 grams (0 , 35-2,12 ounces), the tail has 12 feathers over long maneuverability
Swallow bird short legs, and is adapted to sit their feet instead of walking, and the front part is linked to Al-Qaeda in the toes, and is able to walk and even run Fdilat leg is characterized by its strength, hatch chicks without feathers and with eyes closed
 Swallow swallows insects, but the prey species in the diet varies by species and time of year, it does not pick up all the insects around him, and in addition to that easy to capture the different types of insects affects the predation rate, which also avoids certain types of prey; especially insects stinging like bees and wasps are generally avoided, as well as insects may sometimes feeds fruits and other plant material. The species has been recorded in Africa eating seeds and acacia trees.