[EBB Sightings] Hummingbird Tongues

Walking up Bellevue from Lake Merritt today, I stopped to watch a female 
Anna's hummingbird helicoptering around a tree the way they do, 
occasionally perching to survey the world. Once when she stopped, she 
put out her tongue two or three times like a snake - and it easily 
extended at least a bill's length beyond the tip of the bill, and maybe 
more, looking like a dark orange thread (though that might have been the 
light).

Anyone else seen this? Is it something they do often? I'd never seen it 
before.

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