Recent Arrivals

Life on an island is special. For million of years being a St. Martiner was an exclusive club. It was a place for the animals and plants that somehow made the journey here. It was a home for the ones who survived storm and drought.

This changed when the first Amerindian people set foot on St. Martin’s shore. People could choose where they went and what they brought. Into the elite club of native species, they brought useful plants and animals. Hitchhikers caught a ride on Amerindian canoes as well.

The Giant African Land Snail seems to have arrived after Hurricane Luis.

The pace of new introductions has only gotten faster over time. Rats arrived on European ships. Mongoose were brought from India to Jamaica and from Jamaica to St. Martin. Frogs and lizards have hopped down from Miami.

Today, new species mostly arrive with cargo, especially plants. Dozens of different insect species can arrive in a single container of plants. During the recovery process, an increase in cargo tends to boost the number of new species introduced.

Many remember the appearance of the Giant African Land Snail soon after Hurricane Luis. The colorful Spotted Oleander Caterpillar Moth may have also arrived after Luis. Surely many less noticeable species could have come during this period.

Did the Spotted Oleander Caterpillar Moth arrive with Hurricane Luis?

In many cases, these species would have arrived anyway. The Giant African Land Snail has been invading new areas steadily with or without the help of hurricanes. The Spotted Oleander Caterpillar Moth is native to the region, but may have been rare or absent from the island before Luis. The popularity of Oleander bushes would seem to guarantee its eventual arrival here.

It is usually impossible to pinpoint the arrival of a new species. Most arrive unnoticed. It can take years before populations get large enough to draw attention. However, many St. Martiners know their native plants and animals and are quick to notice new arrivals.

The Mourning Gecko was first seen on St. Martin just a few years ago. It looks similar other geckos already living here.

Observations by regular people have documented many species that arrived before Irma. These include the Colombian Four-eyed Frog, Mourning Gecko and Greenhouse Frog. Knowing what was here already can help us understand the impact of Irma on local wildlife. Did the hurricane help spread introduced species that were already here? Did it slow down their colonization? It also gives us a better idea which new species may have arrived as a result of Irma and the rebuilding process.

Have you seen any new plants or animals on St. Martin lately? Tell us by writing in to The Daily Herald or to [email protected].

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