Few animals have as friendly a snout as the alpaca. But that’s not the only thing that makes the animal special. The male is also the only mammal in the world that directly involves the uterus during mating. Biologists from Mount Holyoke College in the US discovered this when they examined the reproductive organs of … Continue reading Male Alpacas Inducing Uterine Bleeding for Successful Mating and Pregnancy: Unique Reproductive Behavior Discovered