Turtles and other reptiles are full of surprises when it comes to reproduction. In the past few decades we’ve learned that incubation temperature, not genetics, determines the sex of many species, that some have dispensed entirely with males (i.e. the Brahminy Blind Snake) and that the massive Komodo Dragon is capable of reproducing without fertilization. Recently (May, 2011), biologists have determined that turtle embryos move within the egg and actively seek heat. This finding may cause us to re-examine conservation techniques, and raises an array of important questions – i.e., can turtle embryos actually determine what sex they will be? Read More »