CHAPTER XII

SOME QUEER RELATIONS

Whip-poor-will

Nighthawk

Chimney Swift

Ruby-throated Hummingbird

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WHIP-POOR-WILL

A queer, shadowy bird, that sleeps all day in the dense wood and flies

about through open country after dark as softly as an owl, would be

difficult for any child to know were it not for the weird, snappy

triplets of notes that tell his name. Every one knows him far better

by sound than by sight. _Whip-poor-will (chuck) whip-poor-will (chuck)

whip-poor-will (chuck)_ he calls rapidly for about two hours, just

after sunset or before sunrise from some low place, fluttering his

wings at each announcement of his name. But you must be near him to

hear the _chuck_ at the end of each vigorous triplet; most listeners

don't know it is there.

You might be very close indeed without seeing the plump bird, about

the size of a robin, who has flattened himself lengthwise against a

lichen-covered branch until you cannot tell bird from bark. Or he may

be on a rock or an old, mossy log, where he rests serene in the

knowledge that his mottled, dull dark-brown, gray, buff, black and

white feathers blend perfectly with his resting place. He must choose

a spot broad enough to support his {176} whole body, for, like his

cousin, the nighthawk, and his more distant relatives, the hummingbird

and the swift, his feet are too small and weak for much perching. You

never see him standing erect on a twig with his toes clasped around

it, but always squatting when at rest.

A narrow white band across his throat makes his depressed head look as

if it had been separated from his body--a queer effect that may remind

you of the Cheshire Cat in "Alice in Wonderland." The whip-poor-will's

three outer tail feathers have white ends which help to distinguish

him from the nighthawk. He has a funny little short beak, but his

large mouth stretches from ear to ear, and when he flies low above the

fields after sunset, this trap is kept open, like the swift's and the

swallow's, to catch any night-flying insects--mosquitoes, June bugs,

gnats, katydids and little moths--that cross his path. Long,

stiffened bristles at the ends of his mouth prevent the escape of a

victim past the gaping trap. On the wing the bird is exceedingly swift

and graceful. Some children mistake him for a bat or a nighthawk.

Relying upon the protective covering of her soft plumage, the mother

whip-poor-will builds no nest, but lays a pair of mottled eggs

directly on the ground in the dark woods where a carpet of dead leaves

and decayed wood makes concealment perfect.

[Illustration]

Least flycatchers in a rose bush.

[Illustration]

Nighthawk resting in the sunlight.

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Not even the ovenbird contrives that a peep at her eggs shall be so

difficult for us. It is next to impossible to find them. Unlike the

wicked cowbird, who builds no nest because she has no maternal

instinct, the whip-poor-will, who is a devoted mother, makes none

because none is needed. Once I happened upon two fuzzy, dark,

yellowish-gray, baby whip-poor-wills (mostly mouths) in a hollow of a

decayed, lichen-covered log, which was their "comfy" cradle; but the

frantic mother, who flopped and tumbled about on the ground around

them, whining like a puppy, sent me running away from sheer pity.

In the Southern States a somewhat larger whip-poor-will, but with the

same habits, is known as chuck-will's-widow.

NIGHTHAWK

_Called also: Bull-bat; Night-jar; Mosquito-hawk_

Did you ever hear a rushing, whirring, booming sound as though wind

were blowing across the bung-hole of an empty barrel? The nighthawk,

who makes it, is such a high flyer, that in the dusk of the late

afternoon or early evening, when he delights to sail abroad to get his

dinner, you cannot always see him; but as {178} he coasts down from

the sky--not on a sled, but on his half-closed wings--with tremendous

speed, the rush of air through his stiff, long wing feathers makes an

uncanny, aeolian music that silly, superstitious people have declared

is a bad omen. You might think he would dash out his brains in such a

headlong dive through the air, but before he hits the earth, a sudden

turn saves him and off he goes unharmed, skimming above the ground and

catching insects after the whip-poor-will's manner. He lacks the

helpful bristles at the ends of his fly-trap. Don't imagine, because

of his name, that he flies about only at night. He is not so nocturnal

in his habits as the whip-poor-will. Toward the end of summer,

especially, he may be seen coursing over the open country at almost

any hour of the day. Once in a while, as he hunts, he calls _peent_--a

sharp cry that reminds you of the meadowlark's nasal call-note.

Presently, mounting upward higher and higher, at the leisurely rate of

a boy dragging his sled up hill, he seems to reach the very clouds,

when down he coasts again, faster than a boy's flexible flyer. Listen

for the booming noise of this coaster! Evidently he enjoys the sport

as much as any boy or girl, for he repeats his sky-coasting very often

without having to wait for a snow-storm. Indeed, when winter comes, he

is enjoying another summer in South {179} America. Life without

insects would be impossible for him.

When he is coursing low above the fields, with quick, erratic,

bat-like turns, notice the white spots, almost forming a bar across

his wings, for they will help you to distinguish him from the

whip-poor-will, who carries his white signals on the outer feathers of

his tail. Both of these cousins wear the same colours, only they put

them on differently, the whip-poor-will having his chiefly mottled,

the nighthawk his chiefly barred. The latter wears a broader white

band across his throat. His mate substitutes buff for his white

decorations.

Like the mother whip-poor-will, she makes no nest but places her two

speckled treasures in some sunny spot, either on the bare ground, on a

rock, or even on the flat roof of a house. Since electric lights

attract so many insects to the streets of towns and villages, the

enterprising nighthawk often forsakes the country to rear her children

where they may enjoy the benefits of modern improvements.

Both the nighthawk and the whip-poor-will belong to the goatsucker

family. Did you ever hear a more ridiculous name? Eighty-five innocent

birds of this tribe, found in most parts of the world, have to bear it

because some careless observer may have seen one of their number

flying among a herd of goats in Europe to catch {180} the insects on

them, just as cowbirds follow our cattle; and he imagined the bird was

actually drinking the goat's milk!

CHIMNEY SWIFT

There are some children, and grown-ups, too, who persist in calling

this bird the chimney swallow, although it is not even remotely

related to the swallow family, and its life history, as well as its

anatomy, are quite different from a swallow's, as you shall see.

Down within some unused chimney, the modern babies of this

soot-coloured, dark, grayish-brown bird first open their eyes.

Old-fashioned swifts still nest in hollow trees or caves, but chimneys

are so much more abundant and convenient, that up-to-date birds prefer

them. Without stopping in their flight, the parent swifts snap off

with their beaks or feet, little twigs at the ends of dead branches,

and these they carry, one by one, into a chimney, gluing them against

the side until they have finished an almost flat, shelf-like, lattice

cradle. Where do they get their glue? Only during the nesting season

do certain glands in their mouths flow a brownish fluid that quickly

gums and hardens when exposed to the air. After nursery duties have

ended, the gland shrinks from disuse.

[Illustration]

A chimney swift at rest

[Illustration]

Hummingbird pumping food into her babies' crops

[Illustration]

Twin rubythroats

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When the basket cradle has been stuck against a chimney-side, it looks

as if it were covered with a thin coat of isinglass. On this lattice

from four to six white eggs are laid. A friend, who innocently started

a fire in his library one cold, rainy mid-summer evening, was startled

and shocked when a nest and eggs suddenly fell on the hearth. He had

no idea birds were nesting in his chimney. The rush of their wings he

had thought was the wind. Of course the fire melted the glue, when

down fell the cradle. Happily there were no "babies and all" to tumble

into the flames.

When the baby swifts are old enough to climb out of the lattice, they

still cling near it for about a fortnight waiting for their wings to

grow strong, before they try to leave the chimney. Apparently they

hang themselves up to go to sleep. Shouldn't you think they would fall

on the hearth down stairs? Doubtless they would but for their short,

thin, stiff-pointed tail feathers which help to prop them up where

they cling to the rough bricks and mortar of the chimney lining.

Woodpeckers also prop themselves with their tail feathers, but against

tree trunks. Not until swifts are a month old do the lazy little

fellows climb out of their deep, dark cavern into the boundless sky,

which is their true home. No birds are more tireless, rapid flyers

than they. Their {182} small feet, weak from disuse, could scarcely

hold them on a perch.

One day last July I picked up on the ground a young swift I thought

had dropped from exhaustion in its first flight. As swifts had been

nesting in one of the chimneys, I carried the young bird in my hand

into the house, up stairs, out through an attic window onto the roof,

climbed along the ridgepole in terror for my life, clinging by only

one free hand to the peak of the roof, and at last reached the swift's

chimney. Laying the sooty youngster on the stone chimney-cap I had

crawled cautiously backward only a few feet, when lo! my charge

suddenly bounded off into the air like a veteran to join a flock of

companions playing cross-tag. As it wheeled and darted above the

house, evidently quite as much at ease in the air as any of the merry,

twittering company, don't you believe it started the laugh on me? But

what had brought so able a young flyer to earth? My wounded vanity

tempts me to believe that it had really dropped from fatigue and, once

on the ground, was unable to rise again, whereas it was comparatively

easy to launch itself from the chimney-top.

With mouths agape from ear to ear, the swifts draw in an insect dinner

piecemeal, as they course through the air, just as the whip-poor-will,

nighthawk and swallows do. {183} Fortunate the house where a colony

elect to live, for they rid the air of myriads of gnats and

mosquitoes, as they fly about overhead, silhouetted against the sky.

Early in the morning and late in the afternoon are their hours for

exercise. You will think, perhaps, that they look more like bats than

birds. Watch their rapid wing-beats very closely and see if you can

settle the mooted question as to whether they use both wings at once,

or first one wing and then the other in alternate strokes. After you

have noticed their peculiar, throbbing flight, you will never again

confuse them with the graceful, gliding swallows. Although the swift

is actually shorter than a sparrow, its spread wings measure over a

foot across from tip to tip. No wonder it can fly every waking moment

without feeling tired, and journey from Labrador to Central America

for a winter holiday.

RUBY-THROATED HUMMINGBIRD

What child does not know the hummingbird, the jewelled midget that

flashes through the garden, poises before a flower as if suspended in

the air by magic, thrusts a needle-like bill into one cup of nectar

after another, then whirs off out of sight in a trice? It is the

smallest {184} bird we have. Suppose a fairy wished to pluck one for

her dinner, as we should pluck a chicken; how large, do you think,

would be the actual body of a hummingbird, without its feathers? Not

much, if any, larger than a big bumble-bee, I venture to guess. Yet

this atom of animation travels from Panama to Quebec or beyond, and

back again every year of its brief life, that it may live where

flowers, and the minute insects that infest them, will furnish drink

and meat the year around. So small a speck of a traveller cannot be

seen in the sky by an enemy with the sharpest of eyes. Space quickly

swallows it. A second after it has left your garden it will be out of

sight. This mite of a migrant has plenty of stay-at-home relatives in

the tropics--exquisite creatures they are--but the ruby-throat is the

only hummingbird bold enough to venture into the eastern United States

and Canada.

What tempts him so far north? You know that certain flowers depend

upon certain insect friends to carry their pollen from blossom to

blossom that they may set fertile seed; but did you know that certain

other flowers depend upon the hummingbird? Only his tongue, that may

be run out beyond his long, slender bill and turned around curves,

could reach the drops of nectar in the tips of the wild columbine's

five inverted horns of plenty. The {185} Monarda or bee-balm, too,

hides a sweet sip in each of its red tubes for his special benefit. So

does the coral honeysuckle. There are a few other flowers that cater

to him, especially, by wearing his favourite colour, by hiding nectar

so deep that only his long tongue can drain it, and by opening in

orderly succession so that he shall fare well throughout the summer,

not have a feast one month and a famine the next. In addition to these

flowers in Nature's garden that minister to his needs, many that have

been brought from the ends of the earth to our garden plots please him

no less. The canna, nasturtium, phlox, trumpet-flower, salvia, and a

host of others, delight his eye and his palate. Don't you think it is

worth while to plant his favourites in your garden if only for the joy

of seeing him about? He is wonderfully neighbourly, coming to the

flower-beds or window-boxes with undaunted familiarity in the presence

of the family. A hummingbird that lived in my garden sipped from a

sprig of honeysuckle that I held in my hand. But the bird is not

always so amiable by any means. A fierce duelist, he will lunge his

rapier-like bill at another hummer with deadly thrusts. A battle of

the midgets in mid-air is a sorry sight. You may know a male by the

brilliant metallic-red feathers on his throat. His mate lacks these,

but her brilliancy has another {186} outlet, for she is one of the

most expert nest-builders in the world. An exquisitely dainty little

cup of plant down, felted into a compact cradle and stuccoed with bits

of lichen bound on by spider-web, can scarcely be told from a knot on

the limb to which it is fastened. Two eggs, not larger than beans, in

time give place to two downy hummers about the size of honey-bees.

Perhaps you have seen pigeons pump food down the throats of their

squabs? In this same way are baby hummingbirds fed. After about three

weeks in the nest, the young are ready to fly; but they rest on

perches the first month of their independence more than at any time

afterward. No weak-footed relative of the swift could live long off

the wing. It is goodbye to summer when the last hummingbird forsakes

our frost-nipped, northern gardens for happier hunting grounds far

away.

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Birds Every Child Should Know · 第 12 / 18 章