This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英展示一种与连体双生有关的疾病，双头畸胎。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双有关的疾病，双头畸胎。这是在发阶段由高温孵化造的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双生有关的疾病，双头畸胎。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双生有关的疾病，双。这是在发阶段由高造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双有的疾病，双头畸胎。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英蛇展示一种与连体双生有关的疾病，双头畸胎。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示连体双生有关的疾病，双头畸胎。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双生有关的疾病，双畸。这是在发阶段由高温孵化造成的。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇展示一种与连体双生有关的疾病，双头畸胎。这是由高温孵化造成的。