Also tapacolo. [Sp., f. tapa cover + culo backside.] A Sonth American passerine bird, Pteroplochus albicollis (megapodius), which carries its tail inclined towards its head, also called in Chili tualo; the Chilian rock-wren.
1839. Darwin, Voy. Nat., xiv. 329. It is called Tapacolo, or ‘cover your posterior.’ Ibid., 330. The tapacolo is very crafty…. It is also an active bird.
1896. Newton, Dict. Birds, 947. The true Tapaculo, P. albicollis,… rarely fies, hops actively … with its tail erect or turned towards its head.
