This video from Texas in the USA says about itself:
Male Rivoli’s Hummingbird Sparkles While Sipping Nectar – Oct. 5, 2018
Wouldn’t it be great if we could all look this majestic while eating a meal? It comes naturally for the male Rivoli’s Hummingbird. In the right lighting, these hummers reveal their spectacular metallic teal throat patch and purple crest. It’s not surprising that this species was known as Magnificent Hummingbird from the 1980s until 2017.