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flicker
(redirected from northern flickers)

   Also found in: Dictionary/thesaurus, Medical, Legal 0.01 sec.
flicker: see woodpecker woodpecker, common name for members of the Picidae, a large family of climbing birds found in most parts of the world. Woodpeckers typically have sharp, chisellike bills for pecking holes in tree trunks, and long, barbed, extensible tongues with which they impale
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flicker

Enlarge picture
Yellow-shafted flicker (Colaptes auratus)
(credit: B.M. Shaub)
Any of six species of New World woodpeckers (genus Colaptes) noted for spending much time on the ground eating ants. The sticky saliva of the flicker is alkaline, perhaps to counteract the formic acid that ants secrete. Its bill is more slender than that of most woodpeckers and is slightly down-curved. Most flickers have a white rump, black breast band, and varied head markings, and most are about 13 in. (33 cm) long.


flicker
An irregular sequence of frames in a movie or video image. The first flicker effect came from movie projectors that were out of synchronization with the film frames. See judder, interlace and flicker fusion rate.
flicker1
Television a visual sensation, often seen in a television image, produced by periodic fluctuations in the brightness of light at a frequency below that covered by the persistence of vision

flicker2
any North American woodpecker of the genus Colaptes, esp C. auratus (yellow-shafted flicker), which has a yellow undersurface to the wings and tail

flicker [′flik·ər]
(optics)
A visual sensation produced by periodic fluctuations in light at rates ranging from a few cycles per second to a few tens of cycles per second.


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Northern flickers are also quite common in our area and are the only member of the woodpecker family that you'll commonly see on the ground eating insects -- they love ants
Not exactly a thrilling morning for veteran birder Dick Lamster, but then he saw the northern flickers congregating in a tree north of the pond, and not just the red-shafted version common in the West, but the yellow-shafted flicker - its underside feathers a bright yellow, a red chevron on the back of its head.
Among some of the significant birds seen in various spots, Buelow said, are "snow buntings and horned larks, swamps for eastern bluebirds, northern flickers and winter wrens, and back roads in the predawn for saw-whet owls.
 
 
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