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"Speotyto. Burrowing Owls. tarsi long, about twice as long as the middle toe without its claw, very scant-feathered in front, bare behind; toes bristly. The long slim legs are quite peculiar.

The Beaks and Claws of a Burrowing Owl

"Speotyto. Burrowing Owls. tarsi long, about twice as long as the middle toe without its claw, very…

"Speotyto cunicularia, the Burrowing Owl, a comparatively long-legged and short -winged bird with incomplete facial discs and unfeathered toes, is umber-brown varied with yellowish and white, the lower parts becoming lighter." A. H. Evans

Two Burrowing Owls by the Mountains

"Speotyto cunicularia, the Burrowing Owl, a comparatively long-legged and short -winged bird with incomplete…

"Speotyto cunicularia hypogae'a. Burrowing Owl. Adult: Above, dull grayish-brown, profusely spotted with whitish; the markings mostly rounded and paired on each feather, but anteriorly lengthened. Quills with 4-6 whitish bars, entire or broken into cross-rows of spots; tail-feathers similarly marked. There is much individual variation in the tone of the ground-color, and size and number of the spots, which may also be rather ochrey than whitish. Superciliary line, chin, and throat, white, the two latter separated by a dark brown jugular collar; auruculars brown; facial bristles black-shafted. Under parts white or pale ochrey, the breast, belly, and sides barred with traverse spots of brown, in a pretty regular manner; legs and under tail-coverts unmarked. Lining of wings tawny-white, dusky-spotted on the primary coverts." Elliot Coues, 1884

Burrowing Owl

"Speotyto cunicularia hypogae'a. Burrowing Owl. Adult: Above, dull grayish-brown, profusely spotted…