try your best to discourage her from playing with stones if she does swallow 1 it could cause a blockage, also they arnt very good for their teeth, perhaps you could give her a raw carrot or nylabone to gnaw on

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"If the wolf is to survive, the wolf haters must be outnumbered. They must be outshouted, out financed, and out voted. Their narrow and biased attitude must be outweighed by an attitude based on an understanding of natural processes."
L David Mech

We have doomed the Wolf not for what it is, but for what we have deliberately and mistakenly perceived it to be..the mythologized epitome of a savage, ruthless killer..which is, in reality no more than a reflexed images of ourself." -Farley Mowat