371
SWALLOW DICÆUM.
Besides the Honey Eaters, Australia has many other expert nest-builders, such as the Rock Warbler (Origma rubricata), which suspends its nest from the rocks in sheltered places, wherever an overhanging ledge10 affords protection from the elements; the Sericornis citreogularis, which constructs its dwelling in the centre of the large masses of moss11 which in the Australian forests often accumulate at the extremities12 of drooping13 branches, and the brilliantly coloured Swallow Dicæum (Dicæum hirundinaceum), which hangs its pretty nest from the tops of the tallest Casuarinas, where its minute body can scarcely be seen without the assistance of glasses; but nothing can be more extraordinary than the constructions of the Bower14 Birds, which are built not for the useful purpose of containing the young, but purely15 as a playing place or an assembly room.
372 ‘The structures of the spotted16 bower bird,’ says Mr. Gould, ‘are in many instances three feet in length. They are outwardly built of twigs, and beautifully lined with tall grasses, so disposed that their heads nearly meet; the decorations are very profuse18, and consist of bivalve shells, crania of small mammalia, and other birds. Evident and beautiful indications of design are manifest throughout the whole of the bower and decorations formed by this species, particularly in the manner in which the stones are placed within the bower, apparently19 to keep the grasses with which it is lined fixed20 firmly in their places. These stones diverge21 from the mouth of the run on each side, so as to form a little path, while the immense collection of decorative22 materials, bones, shells, &c., are placed in a heap before the entrance of the avenue, this arrangement being the same at both ends. I frequently found these structures at a considerable distance from the rivers, from the borders of which they alone could have procured23 the shells and small round pebbly24 stones; their collection and transportation must, therefore, be a task of great labour and difficulty. As these birds feed almost entirely25 upon seeds and fruits, the shells and bones cannot have been collected for any other purpose than ornament26; besides, it is only those that have been bleached27 perfectly28 white in the sun, or such as have been roasted by the natives, and by this means whitened, that attract their attention.’ For what purpose these curious bowers29 are made is not yet, perhaps, fully17 understood; they are certainly not used as a nest, but as a place of resort, where the assembled birds run through and about the bower in a playful manner, and that so frequently that it is seldom entirely deserted30.
LATHAMI TALEGALLA.
The Talegalla or Brush-turkey is a no less interesting Australian bird. In appearance it is very like the common black turkey, but is not quite so large: the extraordinary manner in which its eggs are hatched constitutes its singularity. It collects together a great heap of decaying vegetables as the place of deposit of its eggs, thus making a hot-bed, arising from the decomposition31 of the collected matter, by the heat of which the young are373 hatched. This mound32 varies in quantity from two to four cartloads, and is of a perfectly pyramidical form: it is not, however, the work of a single pair of birds, but the result of the united labour of many, and the same site appears to be resorted to for several years in succession. ‘The mode,’ says Mr. Gould, ‘in which the materials composing these mounds33 are accumulated is equally singular, the bird never using its bill, but always grasping a quantity in its foot, throwing it backwards34 to one common centre, and thus clearing the surface of the ground to a considerable distance so completely that scarcely a leaf or blade of grass is left.’ The heap being accumulated and time allowed for a sufficient heat to be engendered35, the eggs, each measuring not less than four inches in length—an enormous size, considering the bulk of the bird—are deposited, not side by side, as is ordinarily the case, but planted at the distance of nine or twelve inches from each other, and buried at nearly an arm’s depth perfectly upright, with the large end upwards36; they are covered up as they are laid, and allowed to remain until hatched. After six weeks of burial, the eggs, in succession and without any warning, give up their chicks—not feeble, but full-fledged and strong, so that at night they scrape holes for themselves, and lying down therein are covered over by the old birds and thus remain until morning. The extraordinary strength of the newly-hatched birds is accounted for by the size of the shell, since in so large a space it is reasonable to suppose that the young ones would be much more developed than is usually found in eggs of smaller dimensions. Other Australian birds, such as the Jungle-fowl (Megapodius tumulus), Duperrey’s Megapodius (M. Duperreyii), which inhabits the forests of New Guinea, and the Leipoas or native pheasants, construct similar mound-like nests. Those of the jungle-fowl, observed at Port Essington, are described as fifteen feet high, and sixty in circumference38 at the base, and so enveloped39 in thickly foliaged trees as to preclude40 the possibility of the sun’s rays reaching any part of it.
The tropical forests of the eastern hemisphere resound41 with bird-cries no less appalling42, wild, or strange than those of the western world. In the close jungles of Ceylon one occasionally hears the call of the Copper-smith (Megalasara Indica), whose374 din4 resembles the blows of a smith hammering a cauldron, or the strokes of the great orange-coloured Woodpecker (Brachypterus aurantius), as it beats the decaying trees in search of insects; but of all the yells that fancy can imagine there is none to equal that of the Singhalese Devil-bird or Gualama. ‘Its ordinary cry,’ says Mr. Mitford, ‘is a magnificent clear shout like that of a human being, which can be heard at a great distance, and has a fine effect in the silence of the closing night. It has another cry like that of a hen just caught, but the sounds which have earned for it its bad name, and which I have heard but once to perfection, are indescribable; the most appalling that can be imagined, and scarcely to be heard without shuddering43. I can only compare it to a boy in torture, whose screams are being stopped by being strangled. On hearing this dreadful note the terrified Singhalese hurries from the spot, for should he chance to see the bird of ill omen44 he knows that his death is nigh. A servant of Mr. Baker’s,32 who had the misfortune of seeing the dreaded45 gualama, from that moment took no food, and thus fell a victim to his superstitious46 despair. This horror of the natives explains the circumstance that it is not yet perfectly ascertained47 whether the devil-bird is an owl37 (Syrnium) or a night hawk48.
As if to make amends49 for this screech50, the robin51 of Nueraellia, the long-tailed thrush, the oriole, the dayal-bird, and some others equally charming, make the forests and savannas52 of the Kandyan country resound with the rich tones of their musical calls.
Besides the vast number of birds which, constantly attached to a sultry climate, breed and live within the tropics, there are others who at the approach of winter leave the uncongenial regions of the temperate53 or frigid54 zones, and in search of food and warmth migrate towards the equatorial world. Thus our house swallow annually55 wanders as far as the unknown heart of Africa, resting neither in Egypt nor in Nubia, nor even in the insect-teeming steppes and woods of Eastern Sudan, and the stork56, who every spring appears as a welcome guest in the lowlands of Northern Germany, has frequently spent the previous winter months in South Nubia and Darfur. In Kordofan (16°375 35 N. Lat.) the naturalist57 hears with astonishment58 the dactylic note of the quail59, which may have sounded in summer in Great Britain or Sweden, or meets with our charming songster the nightingale, who, likewise, wings his flight towards unknown regions, far beyond the tropics, where however his voice is mute.
点击收听单词发音
1 pendulous | |
adj.下垂的;摆动的 | |
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2 dwelling | |
n.住宅,住所,寓所 | |
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3 twigs | |
细枝,嫩枝( twig的名词复数 ) | |
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4 din | |
n.喧闹声,嘈杂声 | |
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5 detesting | |
v.憎恶,嫌恶,痛恨( detest的现在分词 ) | |
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6 dense | |
a.密集的,稠密的,浓密的;密度大的 | |
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7 mangrove | |
n.(植物)红树,红树林 | |
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8 thickets | |
n.灌木丛( thicket的名词复数 );丛状物 | |
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9 creeks | |
n.小湾( creek的名词复数 );小港;小河;小溪 | |
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10 ledge | |
n.壁架,架状突出物;岩架,岩礁 | |
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11 moss | |
n.苔,藓,地衣 | |
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12 extremities | |
n.端点( extremity的名词复数 );尽头;手和足;极窘迫的境地 | |
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13 drooping | |
adj. 下垂的,无力的 动词droop的现在分词 | |
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14 bower | |
n.凉亭,树荫下凉快之处;闺房;v.荫蔽 | |
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15 purely | |
adv.纯粹地,完全地 | |
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16 spotted | |
adj.有斑点的,斑纹的,弄污了的 | |
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17 fully | |
adv.完全地,全部地,彻底地;充分地 | |
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18 profuse | |
adj.很多的,大量的,极其丰富的 | |
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19 apparently | |
adv.显然地;表面上,似乎 | |
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20 fixed | |
adj.固定的,不变的,准备好的;(计算机)固定的 | |
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21 diverge | |
v.分叉,分歧,离题,使...岔开,使转向 | |
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22 decorative | |
adj.装饰的,可作装饰的 | |
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23 procured | |
v.(努力)取得, (设法)获得( procure的过去式和过去分词 );拉皮条 | |
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24 pebbly | |
多卵石的,有卵石花纹的 | |
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25 entirely | |
ad.全部地,完整地;完全地,彻底地 | |
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26 ornament | |
v.装饰,美化;n.装饰,装饰物 | |
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27 bleached | |
漂白的,晒白的,颜色变浅的 | |
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28 perfectly | |
adv.完美地,无可非议地,彻底地 | |
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29 bowers | |
n.(女子的)卧室( bower的名词复数 );船首锚;阴凉处;鞠躬的人 | |
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30 deserted | |
adj.荒芜的,荒废的,无人的,被遗弃的 | |
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31 decomposition | |
n. 分解, 腐烂, 崩溃 | |
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32 mound | |
n.土墩,堤,小山;v.筑堤,用土堆防卫 | |
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33 mounds | |
土堆,土丘( mound的名词复数 ); 一大堆 | |
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34 backwards | |
adv.往回地,向原处,倒,相反,前后倒置地 | |
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35 engendered | |
v.产生(某形势或状况),造成,引起( engender的过去式和过去分词 ) | |
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36 upwards | |
adv.向上,在更高处...以上 | |
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37 owl | |
n.猫头鹰,枭 | |
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38 circumference | |
n.圆周,周长,圆周线 | |
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39 enveloped | |
v.包围,笼罩,包住( envelop的过去式和过去分词 ) | |
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40 preclude | |
vt.阻止,排除,防止;妨碍 | |
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41 resound | |
v.回响 | |
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42 appalling | |
adj.骇人听闻的,令人震惊的,可怕的 | |
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43 shuddering | |
v.战栗( shudder的现在分词 );发抖;(机器、车辆等)突然震动;颤动 | |
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44 omen | |
n.征兆,预兆;vt.预示 | |
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45 dreaded | |
adj.令人畏惧的;害怕的v.害怕,恐惧,担心( dread的过去式和过去分词) | |
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46 superstitious | |
adj.迷信的 | |
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47 ascertained | |
v.弄清,确定,查明( ascertain的过去式和过去分词 ) | |
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48 hawk | |
n.鹰,骗子;鹰派成员 | |
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49 amends | |
n. 赔偿 | |
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50 screech | |
n./v.尖叫;(发出)刺耳的声音 | |
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51 robin | |
n.知更鸟,红襟鸟 | |
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52 savannas | |
n.(美国东南部的)无树平原( savanna的名词复数 );(亚)热带的稀树大草原 | |
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53 temperate | |
adj.温和的,温带的,自我克制的,不过分的 | |
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54 frigid | |
adj.寒冷的,凛冽的;冷淡的;拘禁的 | |
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55 annually | |
adv.一年一次,每年 | |
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56 stork | |
n.鹳 | |
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57 naturalist | |
n.博物学家(尤指直接观察动植物者) | |
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58 astonishment | |
n.惊奇,惊异 | |
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59 quail | |
n.鹌鹑;vi.畏惧,颤抖 | |
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