Snoopy began befriending birds in the early 1960s, when they started using his doghouse for various purposes: a rest stop during migrations, a nesting site, or a place to play cards. None of these birds were ever given names, or even used speech balloons; they simply looked at Snoopy and he understood them. What set Woodstock apart from all these earlier birds was the fact that he attached himself to Snoopy and assumed the role of Snoopy's sidekick and assistant. There had been no recurring relationships between Snoopy and the earlier birds who visited the yard of the Brown family, and Snoopy was as often as not more hostile than friendly toward those birds. But, in the April 4, 1967, Peanuts daily comic strip, a single bird flew in after a long flight while Snoopy was lying on top of his