Some Common Birds in Their Relation to AgricultureBeal, F. E. L. (Foster Ellenborough Lascelles)
Science
Some Common Birds in Their Relation to Agriculture
Beal, F. E. L. (Foster Ellenborough Lascelles)
Birds -- United States
The depredations of the robin seem to be confined to the smaller and
earlier fruits, and few, if any, complaints have been made against it
on the score of eating apples, peaches, pears, grapes, or even late
cherries. By the time these are ripe the forests and hedges are teeming
with wild fruits, which the bird evidently finds more to its taste. The
cherry, unfortunately, ripens so early that it, is almost the only fruit
accessible at a time when the bird's appetite has been sharpened by a
long-continued diet of insects, earthworms, and dried berries, and it is
no wonder that at first the rich juicy morsels are greedily eaten. In view
of the fact that the robin takes ten times as much wild as cultivated
fruit, it seems unwise to destroy the birds to save so little. Nor is this
necessary, for by a little care both may be preserved. Where much fruit is
grown, it is no great loss to give up one tree to the birds; and in some
cases the crop can be protected by scarecrows. Where wild fruit is not
abundant, a few fruit-bearing shrubs and vines judiciously planted will
serve for ornament and provide food for the birds. The Russian mulberry
is a vigorous grower and a profuse bearer, ripening at the same time as
the cherry, and, so far as observation has gone, most birds scorn to
prefer its fruit to any other. It is believed that a number of these trees
planted around the garden or orchard would fully protect the more valuable
fruits.
Many persons have written about the delicate discrimination of birds for
choice fruit, asserting that only the finest and costliest varieties are
selected. This is contrary to all careful scientific observation. Birds,
unlike human beings, seem to prefer fruit like the mulberry, that is
sweetly insipid, or that has some astringent or bitter quality like the
chokecherry or holly. The so-called black alder (_Ilex verticillata_),
which is a species of holly, has bright scarlet berries, as bitter as
quinine, that ripen late in October, and remain on the bushes through
November, and though frost grapes, the fruit of the Virginia creeper,
and several species of dogwood are abundant at the same time, the birds
eat the berries of the holly to a considerable extent, as shown by the
seeds found in the stomachs. It is moreover a remarkable fact that the
wild fruits upon which the birds feed largely are those which man neither
gathers for his own use nor adopts for cultivation.
THE BLUEBIRD.
(_Sialia sialis._)
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