Rav Huna bar Chiyya's son, Levi, found the family baker mixing grain and water for animal fodder on Shabbat, and rebuked him, until Rav Huna bar Chiyya pointed out that the baker's method was correct: Shabbat 156a
Put his Phylacteries down, and a bird [ostrich?] came along and began eating them: Moed Katan 26a
