Seychelles snail, thought extinct, found alive

Written by: Lisa Stelzner

Primary Source: Daily Dose of Science Blog

On the Seychelles Islands in the Indian Ocean, the Aldabra Banded Snail, which was thought to be extinct for the past seven years, was found by researchers.  The terrestrial snails are quite pretty, with a spiral shell and pink and purple stripes.  Scientists don’t know how they originally got to these isolated islands.  The snail was thought to be the first species in the world that went extinct from climate change (due to declining rainfall on the islands).  Seven of them were found on a recent expedition.

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Lisa Stelzner
I'm a plant biology PhD student studying monarch butterflies in Michigan, but I'm interested in lots of other types of science, too. I am interested in how breeding monarch butterflies choose their habitat based on floral species richness and abundance. Few studies have been conducted on optimal foraging theory when it involves an organism searching for two different kinds of resources, and butterflies are an ideal study system to investigate this, since many species are ovipositing specialists and only lay eggs on one species of hostplant, but are feeding generalists and nectar from a broad variety of flowering forbs.