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in the same way as it is so plainly instinctive in young pheasants, though reared 1859 1860 1861
for I am informed by Captain Hutton that the young chickens of the parent-stock, the Gallus bankiva, when reared in India 1866 1869 1872

hen. 1859 1860 1861
hen, are at first excessively wild. 1866 1869 1872

1 blocks not present in 1859 1860 1861; present in 1866 1869 1872
So it is with young pheasants reared in England under a hen.

that is, never wish to sit on their eggs. Familiarity alone prevents our seeing how
largely
universally
and
how permanently
largely
the minds of our domestic animals have been
modified.
modified
by
by
domestication.
domestication.
It is scarcely possible to doubt that the
love,
love
of man has become instinctive in the dog. All wolves, foxes, jackals, and species of the cat genus, when kept tame, are most eager to attack poultry, sheep, and pigs; and this tendency has been found incurable in dogs which have been brought home as puppies from
countries
countries,
such as Tierra del Fuego and Australia, where the savages do not keep these domestic animals. How rarely, on the other hand, do our civilised dogs, even when quite young, require to be taught not to attack poultry, sheep, and pigs! No doubt they occasionally do make an attack, and are then beaten; and if not cured, they are destroyed; so that
habit
habit,
and
with
some degree of
selection
selection,
have
has
probably concurred in civilising by inheritance our dogs. On the other hand, young chickens have lost, wholly by habit, that fear of the dog and cat which no doubt was originally instinctive in
them;
them,
in the same way as it is so plainly instinctive in young pheasants, though reared under a hen. It is not that chickens have lost all fear, but fear only of dogs and cats,
for,
for
if the hen gives the danger-chuckle, they will run (more especially young turkeys) from under her, and conceal themselves in the surrounding grass or thickets; and this is evidently done for the instinctive purpose of allowing, as we see in wild ground-birds, their mother to fly away. But this instinct retained by our chickens has become useless under
do- mestication,
domestication,
for the mother-hen has almost lost by disuse the power of flight.
Hence, we may conclude, that
domestic
under domestication
instincts have been
acquired,
acquired
and natural instincts have been
lost,
lost
partly by habit, and partly by man selecting and