Show = 0 IT HAS just been shown that the I ift eounds the woodpecker produces by jfl11 striking Us bill against trees constitute consti-tute a performance taking the place 11 of song in other birds and havo no connection with its quest for food It carefully selects the spots on partially I decayed trunks from which the most conorous sounds may be produced nnd frequents the same places day Ttr I 3J f after day This ia probably the only case among tho feathered tribes in e which vocal ii replaced by instrumental instru-mental musia |