butcher bird

from The Century Dictionary.

• noun A shrike; an oscine passerine bird of the family Laniidæ, and especially of the genus Lanius (see these words): so called from its curious habit of killing more than it immediately eats, and sticking what is left upon thorns, as a butcher hangs meat upon hooks.
• noun In Australia, a name of birds of the genus Cracticus.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) any species of shrike of the genus Lanius, so called because they impale their prey on thorns.
• noun (Zoöl.) large carnivorous Australian bird with the shrikelike habit of impaling prey on thorns.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun the red-backed shrike.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun large carnivorous Australian bird with the shrike-like habit of impaling prey on thorns
• noun shrikes that impale their prey on thorns