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قراءة كتاب In a Cheshire Garden: Natural History Notes
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of one of the lowest spreading boughs without any attempt at concealment. It was at the end of the bough and not six feet from the ground, within easy reach of anyone. It could, however, only be seen when you were actually under the tree and probably would never have been noticed at all but for the behaviour of the birds themselves. After the eggs were hatched they attacked everybody who went under or even near the tree, swooping down suddenly from you didn't know where and almost dashing into your face, indeed they would often hit your hat. I am glad to say this display of courage was not wasted, for the young birds safely flew on May 17th.
Missel-thrush is said to be short for mistletoe-thrush, and to mark the singular taste of the bird for mistletoe berries. Mistletoe is scarce with us, but they do appear to depend more upon berries of every kind than either throstles or blackbirds, and one year I remember when the yews bore an extraordinary crop of berries, the trees were quite alive with the missel-thrushes that came to eat them. I would say, by the way, that a great part of the holly berries are sometimes left untouched by birds, and I have seen trees in summer quite red with the berries of the previous year.
One or two missel-thrushes generally come to the food-stand in winter and show themselves expert in getting fat from the supposed sparrow-proof receptacles.
Though missel-thrushes are common their song is not familiar. It has been described as much better than a throstle's; I do not know if that is the general opinion. It certainly is simpler without the same repetition, and it has seemed to me more mellow, more like a blackbird's when I have heard it, but that is not often. Throstles will sometimes sing continuously all the winter through, and early in the year I have listened most carefully to catch the notes of their bigger brothers, but only very seldom with success. They have, however, an autumn song which I first noticed at the end of September a good many years ago. I became aware one day of a bird's song that seemed to be sometimes the note of a blackbird, sometimes of a throstle. After listening for several days I came to the conclusion that it must have been one of the many starlings that were singing everywhere, one that had learnt more or less successfully to imitate a throstle. However, I never could make sure, for I never could catch sight of the singer, he would hide himself in a holly or a yew, and would at once stop singing if I went near. At last, one day I heard him at the top of a sycamore which was nearly bare of leaves, and managed to bring a glass to bear on him; even then his body was hidden by a bough and his head was all that I could see, but the head was plainly that of a thrush. While I watched I could distinctly see him turn his eye down on me, and he was off in an instant; but though I only got a glimpse as he flew away, there was no mistaking the flight of a missel-thrush. It seemed curious to me at the time that he should be singing at all then, and that he should be so shy about it.
Song-thrushes, or throstles as they are called in Cheshire, are always plentiful, but not always to the same extent. They were, for instance, very much thinned in numbers by the hard winter of 1895, but in a couple of years they abounded again, and I heard people complain of their night's rest being spoilt, there were so many and they sang so early and so loud. From April to June they sing almost incessantly, from earliest light until quite dark. They begin at three in the morning, or even earlier, and sing their loudest for about an hour; then there seems somewhat of a lull, but they soon start again in full chorus, and go on singing more or less throughout the day, sometimes until past nine at night. In 1905, on the longest day of the year, I woke at 2-30 a.m. to hear a throstle in full song just outside my window, and at 9-30 p.m. a throstle, almost certainly the same bird, was singing in the same place. I have often wondered how, with so much time devoted to musical exercises, they manage to find enough for the more important business of feeding themselves and their hungry broods.
A blackbird's song is, I think, always a love song, but mere exuberance of spirits will make a throstle sing. I have seen one sing snatches of his song whilst hunting for worms on the grass, as though he were too full of joyousness to contain himself, and a couple of them will sing at one another during intervals of quarrelling on the ground. There seems at all times more rivalry and contention between throstles throughout the whole season, and less of the spirit of camaraderie that one so often sees with blackbirds, at least when once they have settled the momentous question of pairing.
Within the bounds of general similarity much variety can be heard in the songs of throstles; no two seem to be exactly alike, and some birds are far better singers, have a much clearer, more musical note than others.
In 1907, and again in 1909, I noticed that throstles were in full song everywhere on July 15th, just as though it had been the middle of May.
A particular throstle will choose his favourite spot to sing from, and will keep to it more or less throughout the season. The point of a gable of the house is one such place (it is a Cheshire belief that a throstle brings you good luck when he chooses your house to sing from), the top of the highest chimney has been another, and the weathercock on the outbuildings has been chosen year after year by a throstle as his own peculiar stand. This last is a favourite platform for the musical performances of other birds as well; a robin constantly uses it, and a swallow, and more than once I have seen a little wren there singing away with all his might, a might altogether out of proportion to his tiny body.
Whilst most throstles seem to like as high a perch as possible to sing from, I remember one that habitually poured forth the flood of his melody raised above the level of the ground by a clod of earth only.
One morning (in March, 1897) I heard a throstle uttering a peculiar shrill kind of cry, not a long-drawn-out note such as I have twice heard from a blackbird, but a succession rather of short notes. At first I couldn't make out what or where the noise was, but traced it after a time to the thrush, who continually uttered the cry as he was hunting for worms on the grass.
A standing marvel is the way in which a thrush can tell that there is a worm below the ground at a particular place. As he goes hopping about in a promiscuous sort of way, he suddenly stops with his head on one side looking and listening for a second, then he pounces on the exact spot and forthwith pulls out a worm. Sometimes he makes a mistake, or, at all events, fails to make a catch, but not often. How does he do it? Does his quick sight detect some slight movement, or his quick ear some slight sound? Or has he any other sense of smell or sensation that helps him? Another marvel about the matter to anyone who has himself tried to pull a worm out of the ground is the ease with which a thrush manages so neatly and quickly to extract its victim entire.
I have found a throstle's nest in the side of a haystack, and was told of one in a pigstye and of another inside the porch of a house. In 1901 a throstle built in the roof of the lychgate of the churchyard close to this garden. Although the first nest was taken she made another in the same place and had very nearly hatched her eggs when again the thoughtless cruelty of boys made all her labour vain and abused the confidence she had so bravely shown in men. She used to sit on quite calmly, though only just above the heads of people as they went through the gate.
Generally speaking, throstles