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Anal insertion with the penis (both in heterosexual and male homosexual dyads, i.e. pairs of animals) has been observed among some primate species. Male homosexual anal insertion has been recorded in Old World primate species, including gorillas, orangutans, and some members of the Macaca genus (namely, stumptail, rhesus, and Japanese macaques).
Reproductive tract of a male macropod. Most male marsupials, except for macropods [19] and marsupial moles, [20] have a bifurcated penis, separated into two columns, so that the penis has two ends corresponding to the females' two vaginas. [7] [17] [21] [22] [8] [23] [24] The penis is used only during copulation, and is separate from the ...
A bifid penis (or double penis) is a rare congenital defect where two genital tubercles develop. [ 1 ] [ 2 ] Many species of male marsupials have a naturally bifurcated penis, with left and right prongs that they insert into multiple vaginal canals simultaneously.
Baculum of a dog's penis; the arrow shows the urethral sulcus, which is the groove in which the urethra lies. Fossil baculum of a bear from the Miocene. The baculum (pl.: bacula), also known as the penis bone, penile bone, os penis, os genitale, [1] or os priapi, [2] is a bone in the penis of many placental mammals.
Strength is important for a male kangaroo. It’s the dominant male of the group that gets to mate with the females. Groups of kangaroos, also known as mobs, are led by one alpha male who may have ...
Mating behavior: Male mammals often lick the genitals of females before copulation. [18] Post-copulatory genital grooming often occurs in male rats and prosimian primates. [19] This behavior may prevent disease transmission. [20] [21]
A male red kangaroo Red kangaroos, Liverpool Plains, Sydney, c. 1819. Kangaroos are marsupials from the family Macropodidae (macropods, meaning "large foot"). In common use the term is used to describe the largest species from this family, the red kangaroo, as well as the antilopine kangaroo, eastern grey kangaroo, and western grey kangaroo. [1]
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