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5-8 (I) Male and female “crisscrossing”: Yes - some fish change ‘sex’ several times during their life. From “unsexed” to a female then to a male, and then back to a female; or from “unsexed” to a male, then to a female, then back to a male. This was first discovered in a species of goby - the largest family of fish. In plants, in some of a tropical ginger from china, these can be males in the morning, producing pollen, while others are females in the morning receiving pollen, then they switch “sexes” in the afternoon. This phenomenon is known in eleven families of flowering plants. (J) Intersexes in mammals: this occur in a species of intersexed kangaroos in eastern gray kangaroos, red kangaroos, kangaroo rats, quokkas, tammar wallabies, and euros. This also occur in a species of pigs in the South Pacific Islands of Vanuatu. This also is found in a species of ‘grizzly bear’ or the ‘brown bear’, the ‘American black bear’, the ‘polar bear’, and of course in the all-female spotted hyenas of Tanzania. This also includes female primates in central Africa such as bush babies which have penises, the spider monkeys of South America, and also the woolly monkeys.