Black Walnut
Juglans nigra
Guideline: Poisonous
Type: Seeds and Nuts
Other Names: American black walnut, eastern black walnut
Often Mistaken For
No similar items found.
Is Black Walnut item toxic?
Yes. Black walnut nuts, hulls, and juglone from roots and leaves can harm rabbits, guinea pigs, and chinchillas. High fat alone risks GI illness; tree parts add juglone and mold concerns.
Should I feed my pet Black Walnut?
No. Do not feed black walnuts, shells, hulls, or bark to rabbits, guinea pigs, or chinchillas.
How much can I feed them?
Do not offer as food. If your pet ate black walnut material, contact your veterinarian or a pet poison hotline right away.
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