I have frequently observed newly-born lambs on the pampas, and have
never failed to be surprised at the extreme imbecility they display in
their actions; although this may be due partly to inherited degeneracy
caused by domestication. This imbecile condition continues for two,
sometimes for three days, during which time the lamb apparently acts
purely from instincts, which are far from perfect; but after that,
experience and its dam teach it a better way. When born its first
impulse is to struggle up on to its feet; its second to suck, but here
it does not discriminate like the newly-hatched bird that picks up its
proper food, or it does not know what to suck. It will take into its
mouth whatever comes near, in most cases a tuft of wool on its dam's
neck; and at this it will continue sucking for an indefinite time. It is
highly probable that the strong-smelling secretion of the sheep's udder
attracts the lamb at length to that part; and that without something of
the kind to guide it, in many cases it would actually starve without
finding the teats. I have often seen lambs many hours after birth still
confining their attention to the most accessible locks of wool on the
neck or fore legs of the dams, and believe that in such cases the long
time it took them to find the source of nourishment arose from a
defective sense of smell. Its next important instinct, which comes into
play from the moment it can stand on its feet, impels it to follow after
any object receding from it, and, on the other hand, to run from
anything approaching it.
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