What Causes A Leg To Grow Out A Deer’s Body?
Okay, something freaky for Halloween. Saw on Twitter where somebody shot this deer the other day and said, “This is a first for me, an extra leg growing out his neck!” Scientists say the extra leg is likely that of a twin that didn’t form all the way. According to QDMA this is most likely a case of a “parasitic twin.” Twin fawns probably began to develop inside a doe, but the twin embryos did not completely separate and one of them stopped developing normally. The leg on this buck’s back neck may actually be a non-functioning remnant of the twin that failed to develop fully, but that remained attached to the healthy embryo. Parasitic twins are rare but have been documented [...]