Can Red-footed Tortoises eat Rhubarb?
Rheum × hybridum
Safety verdict
Toxic
Why
Very high oxalic acid — all parts dangerous.
Sources
The Tortoise TableThe Tortoise Table ↗
Rheum sp. — toxic. Very high oxalic acid. Potentially fatal.
Not veterinary advice. This information is for educational purposes. Always consult a qualified exotic animal veterinarian for guidance specific to your pet.