The twins were discovered by a mushroom hunter in the woods of Minnesota in 2016, according to Nine News.
Internally the fawns had a shared liver, extra spleens, and gastrointestinal tracts, according co-author Gino D'Angelo, a researcher at the University of Georgia.
The taxidermy company Wild Images In Motion received the pelt to make into a taxidermy mount, which will be on display at Minnesota Department of Natural Resource's headquarters. D'Angelo called the spot pattern "almost ideal".
The discovery of a stillborn white-tailed fawn in a forest two years ago is believed to be the first recorded case of a conjoined two-headed deer to have been born.
"There are a few reported cases of two-headed ungulate fetuses, but nothing delivered to term". We can not even gauge the rarity of the.
The twins had normal heads, fur and legs, as well as "almost perfect" spots running up their necks. Also, the creature had two hearts but which were surrounded by a single pericardial sac.
"Their anatomy indicates the fawns would never have been viable", Professor D'Angelo said.
The fact that it was clean and was in a natural position suggested that the doe tried desperately to keep the fawns alive and tried to care for them after delivery.
After the hunter contacted the Minnesota DNR, the fawns were frozen before being taken for analysis. "The maternal instinct is quite powerful", D'Angelo explained.
"Animals that are stillborn, they don't last long on the landscape because of scavengers", Mr Cornicelli said.
Conjoined twins seems to be more common in domesticated animals like sheep and cats, but the exact causes of the phenomenon are not fully understood. After examining the corpse of an animal, the researchers found that it was a DOE white-tailed deer.
After the study wrapped up, the twins were preserved by Robert Utne and taxidermist Jessica Brooks to create a realistic display.