Each card has an LED that blinks or flickers when being accessed by software. A mysterious, wavering light, resembling a flame, flickers in the darkness. Squirrels, Northern flickers, and mountain bluebirds often nest in the trees. Small resident birds include wrens, robins, juncos, thrushes, woodpeckers, sapsuckers, red-shafted flickers, and ruby-crowned kinglets. Northern flickers generally nest in holes in trees like other woodpeckers. Not a flame flickers on a single pallid crest. The flame of the candle system flickers. Her face flickers in his vision for several minutes before the screen blackens. When his grandfather presses enter, the city's power ominously flickers off. The screen flickers to white and the sound of triumphant bells tolling. In Mellers's phrase, "The flute flickers, the piano bounces, in a helter skelter gallop". Jacob's appearance has not changed since he wasn't born yet, though he occasionally flickers. The affected area flickers but is not dark. Woodpickers, flickers, toucans, aracaris, motmots, etc. Throughout the video, the picture flickers continuously.