We have heard of this before. In the Scanpan manufacturing process, the non-stick compound is actually embedded into the material that makes up the cooking surface, unlike cheaper cookware where the Teflon coats the Aluminum base. The only way that fumes will be released from this material will be if the non-stick compound actually breaks down from excessive heat. (e.g. the pan is left empty on full flame for extended periods). If used within its normal operational boundaries, no damage should result. Obviously we cannot warrant that no damage will arise but have no reported cases of this happening. In fact since 2007, Scanpan GreenTEK is made with no PFOA, the primary harmful components for exotic birds. Once should be aware that the fumes from burning margarine are more intense than that from cookware and may cause more damage to exotic birds.