| 单词 | ladder-back woodpecker | 
| 释义 | > as lemmasladder-back woodpecker   ladder-back woodpecker  n. 		(also ladder-backed woodpecker)	 U.S. one of several North American species of woodpecker with black and white, barred markings, esp.  Dendrocopos scalaris. ΘΚΠ the world > animals > birds > perching birds > order Piciformes > 			[noun]		 > family Picidae > member of genus Picoides witwall1668 pianet1706 hairy woodpecker1731 sap-sucker1805 ladder woodpecker1870 ladder-back woodpecker1884 1884    E. Coues Key to N. Amer. Birds 		(ed. 2)	 485  				Picoïdes americanus..Ladder-backed Three-toed Woodpecker. 1917    T. G. Pearson Birds Amer. II. 149/1  				The Ladder-back Woodpeckers are divisible into three regional varieties, the American, the Alaska.., and the Alpine. 1964    A. Wetmore  et al.  Song & Garden Birds N. Amer. 92/1  				Ladder-backed woodpecker. Dendrocopos scalaris. Vast stretches of hot, treeless desert seem a curious habitat for a woodpecker. Yet to the ladderback such country is home. < as lemmas | 
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