According to Official Guinness Records,
The largest collection of flamingo-related items is 793, and was achieved by Cindy Dunlow (USA) in Ocala, Florida, USA, as verified on 31 July 2016. The record-holding collection of flamingo-related items is on display at The Unofficial Florida Flamingo Museum & Coconut Head Emporium, located inside Cindy Dunlow Frames in Ocala, Florida.
For a complete list of 2016 records, please visit 2016 Guinness Records in United States.