The Collaborative International Dictionary of English v.0.48:

Shrike \Shrike\, n. [Akin to Icel. skr[imac]kja a shrieker, the
   shrike, and E. shriek; cf. AS. scr[imac]c a thrush. See
   Shriek, v. i.] (Zool.)
   Any one of numerous species of oscinine birds of the family
   Laniidae, having a strong hooked bill, toothed at the tip.
   Most shrikes are insectivorous, but the common European gray
   shrike (Lanius excubitor), the great northern shrike
   (Lanius borealis), and several others, kill mice, small
   birds, etc., and often impale them on thorns, and are, on
   that account called also butcher birds. See under
   Butcher.
   [1913 Webster]

   Note: The ant shrikes, or bush shrikes, are clamatorial birds
         of the family Formicaridae. The cuckoo shrikes of the
         East Indies and Australia are Oscines of the family
         Campephagidae. The drongo shrikes of the same regions
         belong to the related family Dicruridae. See
         Drongo.
         [1913 Webster]

   Crow shrike. See under Crow.

   Shrike thrush.
   (a) Any one of several species of Asiatic timaline birds of
       the genera Thamnocataphus, Gampsorhynchus, and
       allies.
   (b) Any one of several species of shrikelike Australian
       singing birds of the genus Colluricincla.

   Shrike tit.
   (a) Any one of several Australian birds of the genus
       Falcunculus, having a strong toothed bill and sharp
       claws. They creep over the bark of trees, like titmice,
       in search of insects.
   (b) Any one of several species of small Asiatic birds
       belonging to Allotrius, Pteruthius, Cutia,
       Leioptila, and allied genera, related to the true tits.
       Called also hill tit.

   Swallow shrike. See under Swallow.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Thrush \Thrush\, n. [OE. [thorn]rusche, AS. [thorn]rysce; akin
   to OHG. drosca, droscea, droscela, and E. throstle. Cf.
   Throstle.]
   1. (Zool.) Any one of numerous species of singing birds
      belonging to Turdus and allied genera. They are noted
      for the sweetness of their songs.
      [1913 Webster]

   Note: Among the best-known European species are the song
         thrush or throstle (Turdus musicus), the missel
         thrush (see under Missel), the European redwing, and
         the blackbird. The most important American species are
         the wood thrush (Turdus mustelinus), Wilson's thrush
         (Turdus fuscescens), the hermit thrush (see under
         Hermit), Swainson's thrush (Turdus Aliciae), and
         the migratory thrush, or American robin (see Robin).
         [1913 Webster]

   2. (Zool.) Any one of numerous species of singing birds more
      or less resembling the true thrushes in appearance or
      habits; as the thunderbird and the American brown thrush
      (or thrasher). See Brown thrush.
      [1913 Webster]

   Ant thrush. See Ant thrush, Breve, and Pitta.

   Babbling thrush, any one of numerous species of Asiatic
      timaline birds; -- called also babbler.

   Fruit thrush, any species of bulbul.

   Shrike thrush. See under Shrike.

   Stone thrush, the missel thrush; -- said to be so called
      from its marbled breast.

   Thrush nightingale. See Nightingale, 2.

   Thrush tit, any one of several species of Asiatic singing
      birds of the genus Cochoa. They are beautifully colored
      birds allied to the tits, but resembling thrushes in size
      and habits.

   Water thrush.
      (a) The European dipper.
      (b) An American warbler (Seiurus Noveboracensis).
          [1913 Webster]