Pie Birds and Pie Funnels are "steam vents" that are placed in the center of a pie while baking to prevent the fruit filling from boiling over. Pie Birds have been used when baking since Victorian times. Pie Birds are not strictly ceramic birds but are many time in the shape of animals and people making them a desirable collectible.
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- Four and Twenty Piebirds Site offers piebirds also known as pie vents. Items are not featured online, request information by e-mail.