Canine reproduction is the process of sexual reproduction in domestic dogs, wolves, coyotes and other canine species. == Canine sexual anatomy and development == === Male reproductive system === ==== Erectile tissue ==== As with all mammals, a dog's penis is made up of three pieces of erectile tissue.
Canine reproduction is the process of sexual reproduction in domestic dogs, wolves, coyotes and other canine species. == Canine sexual anatomy and development == === Male reproductive system === ==== Erectile tissue ==== As with all mammals, a dog's penis is made up of three pieces of erectile tissue.
Source: Wikipedia "Canine reproduction" · CC BY-SA 4.0
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