A red-tailed skink

I sat at the very edge of the protected forest near a rubber plantation in the neighbourhood of Thattekad in Kerala. In front of me two juvenile skinks ran along the leaf litter on the ground, and climbed over tree trunks and stones. The horizon was rising towards the sun, and we could see sunlight only on the tops of the trees around us. I guessed that these skinks were diurnal, but couldn’t figure out why I thought so. Had I seen them before?

A little search, and I figured that these were Dussimier’s skinks (Sphenomorphys dussimieri). That led me to the information that they are diurnal and eat insects. The IUCN red list says that they are widely distributed along the Western Ghats, and are not thought to be threatened. It also mentions that they are oviparous. That was puzzling, are some skinks not hatched from eggs? It seems so. Some skinks even have placenta, like true mammals! Not much seems to be known about skinks. It is not even clear whether most Indian skinks came with the drifting landmass when it separated from Africa, or migrated into it after it struck Asia. In fact, it is possible that there are as yet undiscovered skink species in the Western Ghats.

But the sight kept bothering me. Had I seen this species before? Some digging through my archives threw up the photo that you see above. Four years ago I’d seen a Dussimier’s skink 1500 kilometres north, in Matheran. That could be close to the northern limits of this species. In this photo it is clear that the species has four toes. The three black stripes, one on top, and two on the sides are distinctive. The red tail belongs to juveniles. I think it turns into the striped white and black in an adult. I’m so happy that I could trace down that itch in my memory.

Author: I. J. Khanewala

I travel on work. When that gets too tiring then I relax by travelling for holidays. The holidays are pretty hectic, so I need to unwind by getting back home. But that means work.

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