This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of flamingo.

"On that part of it where we first attempted to land there stood some very large birds, called flamingoes: these, from the reflection of the sun, appeared to us at a little distance as large as men; and, when they walked backwards and forwards, we could not conceive what they were: our captain swore they were cannibals."