The Pigeons, Too, Were Filling The Woods In Vast Migratory
Flocks.
It is almost incredible to describe the prodigious
flights of these birds in the western wildernesses.
They appear
absolutely in clouds, and move with astonishing velocity, their
wings making a whistling sound as they fly. The rapid evolutions
of these flocks wheeling and shifting suddenly as if with one
mind and one impulse; the flashing changes of color they present,
as their backs' their breasts, or the under part of their wings
are turned to the spectator, are singularly pleasing. When they
alight, if on the ground, they cover whole acres at a time; if
upon trees, the branches often break beneath their weight. If
suddenly startled while feeding in the midst of a forest, the
noise they make in getting on the wing is like the roar of a
cataract or the sound of distant thunder.
A flight of this kind, like an Egyptian flight of locusts,
devours everything that serves for its food as it passes along.
So great were the numbers in the vicinity of the camp that Mr.
Bradbury, in the course of a morning's excursion, shot nearly
three hundred with a fowling-piece. He gives a curious, though
apparently a faithful, account of the kind of discipline observed
in these immense flocks, so that each may have a chance of
picking up food. As the front ranks must meet with the greatest
abundance, and the rear ranks must have scanty pickings, the
instant a rank finds itself the hindmost, it rises in the air,
flies over the whole flock and takes its place in the advance.
The next rank follows in its course, and thus the last is
continually becoming first and all by turns have a front place at
the banquet.
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