Cassell's book of birds; vol. 2Brehm, Alfred Edmund
Science
Cassell's book of birds; vol. 2
Brehm, Alfred Edmund
Birds
plump fellow in his arms, and was bearing off his prize in triumph;
when, lo! the indignant Vulture disgorged such a torrent of filth in the
face of our hero, that it produced all the effects of the most powerful
emetic, and for ever cured him of his inclination for Turkey Buzzards."
On the continent of America, this species inhabits a vast range of
territory, being common, it is said, from Nova Scotia to Terra del Fuego.
How far to the northward of North California they are found, we are
not informed, but it is probable that they extend their migrations to
the Columbia, allured thither by the quantity of dead salmon which, at
certain seasons, cover the shores of that river.
Mr. Darwin, who observed this bird in New Jersey, states "that the Turkey
Buzzard is a solitary bird, or at most goes in pairs. It may at once be
recognised from a long distance by its lofty, soaring, and most elegant
flight. It is well known to be a true carrion feeder. On the west coast
of Patagonia, among the thickly wooded islets and broken land, it lives
exclusively on what the sea throws up, and on the carcases of dead seals;
and wherever these animals are congregated on the rocks, there the
Vultures may be seen."
The Gallinazoes are extremely active; they fly lightly, and can rise
with ease to a considerable height in the air; when perched they usually
draw their head down between their shoulders, and allow their plumage
to hang loosely about their bodies; but when upon the ground they hold
themselves erect, and walk with very much the same air as a Turkey-cock.
We learn from Audubon, who made a variety of experiments on this subject
(see Introductory Chapter), that these Vultures discover their food by
sight alone, and are almost or entirely without the sense of smell.
Many writers have maintained that they subsist altogether upon garbage
and carrion, but both Audubon and Humboldt concur in the statement
that they will occasionally kill their own prey. The latter describes
the manner in which they seize young crocodiles, about seven or eight
inches in length, either upon the land or in shallow water; and tells
us that the small reptile endeavours to confront its foe by rising on
its fore-feet, stretching up its head, and literally grinning defiance
through its long sharp teeth. It not unfrequently happens that, while
thus engaged in keeping one of its feathered enemies at bay, the spirited
little creature is snapped up by an Urubu, who has come up quietly
and unobserved to watch the encounter. Large numbers of eggs are also
devoured by the American Vultures, who frequently build their eyries in
the immediate vicinity of the nests of Wading or Swimming Birds for the
express purpose of thus obtaining a constant supply of food for their
young. Most naturalists are now agreed that both the Gallinazo and Urubu
lay their eggs in clefts of the rock, holes in the ground, or in hollow
trees, as such spots afford the best protection against the inclemency
of the weather.
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