Who among us has not looked at the rapidly speeding in the sunset sky small quick swallow-tailed birds, literally performing aerobatics, filling the air with shrill cries?This may be the swallow and swift.Similarities and differences of these birds are generally associated only with the length of the tail.However, this is not true, or rather not at all.From a distance, they actually look the same: both in size and in color, and the shape of the wings.Although it is absolutely different birds.So what's the difference between swallows and swifts?
Swallows
Lastochkovye or Latin Hirundinidae, belong to a rich family of passerine species.In total, it has 75 species, of which on the territory of Russia is found ten.
Swallows make their homes of mud, dirt or mud, adding straw, twigs, grass, and sealed it with his saliva.
They fly slowly swifts.Their speed is usually about 50-60 km / h, but they are capable of lightning to change its trajectory.
Swifts
Apodes - so-called Latin swifts.Related to the order apodiformes are divided into two families (crested swifts, Hemiprocnidae, living in tropical Asia and Strizhin - Apodidae, found everywhere except polar regions), which are about 80 species.
Swifts equip their homes in caves, crevices of rocks, hollows.Some species, like the swallows build their nests of hardened saliva.These structures people also mistakenly called "Swallow's Nest."
Swifts can be said to live in the air.These sickle-shaped wings made for a rapid flight.Some species of swifts are able to accelerate to more than 120 km / h.
Swallow and Swift: similarities and differences
external differences inherent in each specific type of birds, more than enough.In particular this applies to the structure of the legs.In short, they are very swift, with all four fingers pointing forward.This structure does not allow these birds sitting on a branch, or move along the ground.But it is very convenient to catch even the slightest projection on a vertical surface, be it rock or wall of the building.We swallow the same as most other birds, one finger pointing back and three - forward.Because they can safely sit, for example, on the branches or wires.
In addition, they are different color.At swallows even faster flying, chest you can see a white spot.The second consideration it is not representative of the birds.But that's not all, the differences between a swallow and swift.The similarity and difference between them is that in the last flight wings never folds.In contrast to the swallows, swifts are characterized by their vociferous.In addition, it is much the largest of its wings it more narrow and long, besides having a crescent shape.Also Swift shorter and wide tail.This bird often found in the city, and the swallow - in rural areas.
and the swallow and swift, the similarities and differences that can be seen up to infinity, are migratory birds.As soon as autumn comes, they rush to the southern hemisphere, then to spring back to their homes and leave behind offspring.
with these birds associated with multiple takes, proverbs.Like other birds, swifts and swallows are our reliable volunteer helpers in the fight against pests.With the latest bind the beginning of spring, and therefore the chanting of love and life.Comfort of home without reason associated with the Swallow's Nest.A swifts are associated with summer as returning to their homes with the latest, by bringing on its wings warm distant countries.
