How did the woodslave get its spots?

In St. Martin, you can find animals that live nowhere else in the world. It’s one of the things that makes St. Martin special and it is a great reason to protect local nature. If these animals disappear here, they will be gone from the planet.

The Spotted Woodslave, a gecko found only on St. Martin

The Spotted Woodslave is one of these animals. It is a kind of gecko, but probably not the one you see most often. This gecko can be huge and it mostly lives on big trees like old tamarinds and mangoes. True to its name, it is light with black spots.

The Spotted Woodslave is usually found on large trees.

The Spotted Woodslave has only been a species since 2011. Before then, it was thought to be the Turnip-tailed Gecko, a similar species that is found in most of the Caribbean and beyond. The main difference between the two is that the Spotted Woodslave has spots. On average, there are also differences in the number of scales around the mouth and on the toes of the two species.

Small details, like the number of scales around the mouth, make this gecko unique.

It may seem surprising that a new species can be “discovered” these days, but it isn’t rare in the Caribbean. Small islands like St. Martin haven’t been studied as much as many places. Many “new” species are known, but not yet named. People on St. Martin have known about the Spotted Woodslave for generations. Scientists have thought for years that the Turnip-tailed Geckos on different islands might be different species. It just took time for someone to do the research and record the differences.

There are many new species being described in the Caribbean today. In addition to comparing the physical characteristics of specimens, we can also compare the genetics of animals from island to island. In the coming years, we will probably find other new species that have been hiding in plain sight this whole time.

Split toe pads give this lizard a distinctive look.

But how did our woodslave get its spots? That’s a tough question. The Turnip-tailed Gecko lives on many islands, but St. Martin is the only place where it evolved spots. The authors who described the new species did not have any suggestions. If spots help it hide from predators or sneak up on prey, why didn’t geckos evolve spots on other nearby islands?

Do you know any stories about St. Martin’s geckos? Tell us by writing in to The Daily Herald or to [email protected].

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