He confessed his crime the next day in a fit of guilt. Lord Eddard ordered him to the godswood to cleanse himself. Guards were posted to see that Bran remained there alone all night to reflect on his disobedience. The next morning Bran was nowhere to be seen. They finally found him fast asleep in the upper branches of the tallest sentinel in the grove.
As angry as he was, his father could not help but laugh. "You're not my son," he told Bran when they fetched him down, "you're a squirrel. So be it." (p. 80)
Made me a bit more sympathetic toward Bran's character after reading that. I wonder why?