Snail sightings during the rainy season in Japan are becoming rarer as dry and urban areas increase, with half of the species in the Kinki western region at risk of extinction, experts warn.
Efforts to create new green areas for snails to live in are unlikely to be very effective because it is difficult for them to move into such areas due to their poor mobility.
Snails are a type of shelled gastropod. There are some 800 species in Japan.
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