...typical mating bouts last for up to four days, involving between 20 and 40 sex sessions per day. In fact, it's estimated that for every cub that survives past the age of one year, its mother had to mate three thousand times.
But that's tame compared to what some animals go through! This story is just part of the list 11 Utterly Bizarre Animal Mating Rituals at Oddee. Link
(Image credit: Flickr user Arno & Louise Wildlife)