Join Date: Oct 2009
Location: Outer Sydney Australia
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I am a bit confused as to what you mean by red potatoes, do you mean Pontiac or Dakota Chief that have a red skin. Normal potatoes with white flesh that is used for making mash or fries are not safe at all for birds and should never be given to them. But the Orange/red fleshed sweet potatoes or yams are and cooking is not require. Sweet potatoes are not actually part of the potato family.
Celery is also ok uncooked. Especially the leaves if they have been left on the stalks.