The red-backed shrike is a summer visitor, arriving in this country
early in April, and is not an uncommon species in England and Wales,
being most numerous in the southern counties; but its range does
not extend to Ireland, and in North Britain it is only known as a
straggler. It inhabits the open borders of woods, rough commons, and
high hedges, and has the habit of sitting conspicuously perched,
often for an hour at a stretch, on the summit of an isolated bush or
low tree, or on a fence or any other elevated stand, where it has a
pretty appearance. From its perch it watches for its prey, but is
by no means a motionless and depressed-looking watcher, like the
flycatcher: its movements on its stand, as it turns its head from
side to side and jerks and fans its tail, frequently uttering its
low, percussive, chat-like chirp or call-note, give the impression of
a creature keenly alive to everything passing around it. The shrike
is, in fact, attentively watching air, earth, and the surrounding
herbage and bushes for a victim, which he captures by a sudden dart,
taking it by surprise. Besides small vertebrates, he preys on various
large insects--beetles, grasshoppers, wasps, bees, &c.--seizing them
in the air as they fly past, or dropping upon them on the ground. He
often devours the insects captured on the spot, then returns to his
stand; but he also has a favourite thorn-bush or tree to which he is
accustomed to convey many of the creatures he takes, to impale them on
thorns or fix them on forked twigs. He has the habit of plucking birds
before devouring them; and it is doubtless easier for him to pluck
a small bird and pull anything he catches to pieces when fixed on a
thorn, for, being without crooked claws, he is incapable of grasping
his victim and holding it steady while operating on it. This is one
of those instincts which simulate reason very closely. The number
of remains of victims sometimes found suspended to a butcher-bird’s
tree shows that he is occasionally very destructive to small birds.
In a case recorded in the ‘Zoologist’ (1875, p. 4723), bodies of the
great tit, blue tit, long-tailed tit, robin, hedge-sparrow, and young
of blackbirds and thrushes, were found. The indigestible portions
swallowed--bones, fur, and wing-cases of large beetles--are cast up in
pellets.
In the pairing season the shrike utters at times a chirruping song, not
unlike the attempted singing of a sparrow in sound. The nest is large,
and placed in a thick bush or hedge, and is composed outwardly of
stalks, and inside of fibrous roots and moss, lined with fine bents and
a little horsehair. Four to six eggs are laid; these vary a good deal,
the ground being pale green, pale buff, cream or pale salmon-colour,
spotted and blotched, principally at the large end, with reddish brown
and purplish grey.
After leaving the nest the young keep company with their parents until
their departure in September and October.
* * * * *
Public-domain text, read in full here on John Shaqi.
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