He is not only a murderer, but an
exceedingly treacherous one, for both Mr. Audubon and Mr. Nuttall speak
of his efforts to decoy little birds within his reach by imitating their
notes, and he does this so closely that he is called a mocking-bird in
some parts of New England. When he utters his usual note and reveals
himself, his voice very properly resembles the 'discordant creaking of a
sign-board hinge.' A flock of snow-birds or finches may be sporting and
feeding in some low shrubbery, for instance. They may hear a bird
approaching, imitating their own notes. A moment later the shrike will be
seen among them, causing no alarm, for his appearance is in his favor.
Suddenly he will pounce upon an unsuspecting neighbor, and with one blow
of his beak take off the top of its head, dining on its brains. If there
is a chance to kill several more, he will, like a butcher, hang his prey
on a thorn, or in the crotch of a tree, and return for his favorite
morsel when his hunt is over. After devouring the head of a bird he will
leave the body, unless game is scarce. It is well they are not plentiful,
or else our canary pets would be in danger, for a shrike will dart
through an open window and attack birds in cages, even when members of
the family are present. In one instance Mr. Brewer, the ornithologist,
was sitting by a closed window with a canary in a cage above his head,
and a shrike, ignorant of the intervening glass, dashed against the
window, and fell stunned upon the snow.
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