Peanuts by Charles Schulz for April 06, 1967
Transcript:
Snoopy sits on the doghouse with his ears up. A bird flutters toward him.<BR><BR> The bird flies past Snoopy.<BR><BR> The bird flies in loops and upside down. Snoopy thinks, "I can't figure that guy out . . ."<BR><BR> Snoopy continues, "He's either a lousy flyer or his blood sugar's down."<BR><BR>