Some avocados are female in the morning and male in the afternoon, while others are on the opposite schedule. This helps them avoid self-pollination. How do they do it? A UCDavis study explains. [Comment from elsewhere: This is going to make it very difficult to know which sports we should ban them from.] https://www.ucdavis.edu/food/news/study-reveals-how-avocados-reverse-sexes-throughout-day