The following pictures are of Dany Vercatasamy performing morphometrics on Telfair's skink (Leiolopisma telfairii).
One way to tell males from females is to look for a pair of hemipenes which looks like two bulges behind the cloaca at the base of the tail.
They need to be looked over to see if there are any scars or features that could be used to identify the skink from others and as you may see a digit is missing from the back right hand foot.
Each is microchipped with a unique number
Then they are numbered so that they not catched frequently but can still be tracked for movement between areas. The ink is toxic so it is made sure that numbers are not written on wounds.
Here Dany is measuring the distance between tail brakes which can be seen from the discolouration
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