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swallow
Значение термина swallow в knolik
swallow - Swallow
swallow - Forehead and throat chestnut-brown; upper parts, sides of neck, and a bar across the breast black, with violet reflections; lower parts dull reddish white. Tail long and forked. Female: less red on the forehead and less black on the breast; under parts white; outer tail feathers shorter. Length, seven and a half inches.
The swallow, as we usually see him, gliding and doubling in the air with a freedom surpassing that of other birds, has considerable beauty, being richly coloured and of an elegant figure, with sharply forked tail and long, pointed wings. But this is not the reason of the charm he has for us, since there are other more beautiful birds that inspire no such feeling. He is loved above most species on account of his domestic habits and familiarity with man. There would be few swallows in a dispeopled and savage England, with all its buildings crumbled to earth, for he would then be compelled to return to the original habits of "the wild swallow, and build his mud cradle in rocky cliffs and caverns. As things are he is not dependent on cliffs, for he has taken kindly to human habitations, and increases with the increase of house-building, until he ha« become one of the commonest and most generally diffused species. And being a house-bird, and accustomed to the human form, when our summer migrants return to us with the return of the sun, and the others seek their customary homes in woods and groves by the sides of streams and marshes, and on downs and waste lands, the swallow alone comes direct to us to deliver the glad message, so that even the sick and aged and infirm, who can no longer leave their beds or rooms, are able to hear it. "What wonder that we cherish a greater affection for, and are more intimate with, the swallow than with our other feathered fellow-creatures!
The swallow is very evenly distributed over the whole of Great Britain and Ireland, but the date of his arrival varies considerably in different districts. In the south of England he makes his appearance early in April, and arrives in the northern counties about the middle of that month, but in the north of Scotland not until the first week in May. He is most abundant about villages and large country-houses and farms; but wherever human habitations exist, however modest in size they may be, he is to be met with. Swallows are eminently gregarious, and even during the breeding season all the birds inhabiting one neighbourhood are accustomed to feed and practise their aerial exercises in company. At this season their gatherings are, however, intermittent, and in part accidental. Where flying insects are abundant the swallows quicky gather. At one time of the day they may be seen coursing up and down the lanes and roads and village streets, gliding close to the ground with great speed; in rough weather they will assemble in scores or hundreds on the sheltered side of a wood, or lane, or a row of elms; but on a warm, damp day, they frequent the meadows and low grounds near the water, where insects are most abundant.
The swallow has a variety of sharp little chirps and twittering notes, and a loud, startled, double alarm-note, uttered at the appearance of a hawk speeding through the air, or at sight of a prowling cat. The appearance of a hawk excites as much anger as fear, and he generally goes in pursuit of it; but the note is understood by other small birds, and has the effect of sending them quickly into hiding. The song, uttered sometimes on the wing, but more frequently when perched, is very charming, and seems more free and spontaneous than that of any bird possessing a set song, the notes leaping out with a heartfelt joyousness which is quite irresistible. The sound differs in quality from that of other birds; it is, perhaps, more human: a swallow-like note may be heard in some of the most beautiful contralto voices. The dozen or more notes composing the song end with a little jarring trill, so low as to be hardly audible.
A favourite site for the swallow's nest is the top of a joist supporting the rafters of a barn or other outhouse to which there is free access. It is a saucer-shaped rim of mud or clay, placed on the wood. The inside is lined with dry grass and feathers. It is quite open at the top, but usually close to the roof. The eggs are four to six in number, and vary much in shape and disposition of markings. They are pure white, spotted with rich coffee-brown, light reddish brown, and purplish grey. During incubation the sitting-bird is fed at intervals by her mate.
Two broods are reared in the season, and the young are fed for some days after quitting the nest. The early broods are believed to leave this country in advance of the adults and the young of the later broods. The final and principal migration takes place at the end of September or early in October, the birds congregating some days before departure in large flocks, sometimes numbering many thousands.
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