What is the red-backed shrike (Lanius collurio); -- called also würger, worrier, and throttler. [Written also warriangle, weirangle, etc.] [Obs. or Prov. Eng.] called?

wariangle — The red-backed shrike (Lanius collurio); -- called also würger, worrier, and throttler. [Written also warriangle, weirangle, etc.] [Obs. or Prov. Eng.]. (Webster's 1913.)