Canary Creams are A joke product, developed by Fred and George Weasley, which transfigures the eater into a large canary. Looks and tastes like a regular custard cream. The transfiguration lasts less than a minute, after which the victim moults their feathers and regains their normal appearance.
Canary Creams History
Fred and George Weasley developed Canary Creams in 1994, and charged seven Sickles for each. The Canary Creams would be sold at Weasleys’ Wizard Wheezes when the shop opened in 1996.