Pearls Before Swine by Stephan Pastis for January 31, 2009
Transcript:
Rat says, "What came first, the chicken or the egg?" Pig says, "were they racing?" Rat says, "No, they weren't racing." Pig says, "Good thing, 'cause an egg without feet has no chance in a foot race." Rat says, "Perhaps we should be quiet now." Pig says, "Of course if it was a boneless chicken all bets are off 'cause that poor guy would be stumbling around like a drunken sailor..."
Some none-chickens layed the First chicken egg, therefore the answer is THE EGG