Periwinkle snails can finish off marshland in a matter of months, Brian Silliman found. Poppell found few blue crabs on a recent workday on a river near Savannah, Ga.

These snails give live birth, and it’s the babies that may do the labor Protecting eggs in mom’s body may have given periwinkle snails an advantage over egg-laying cousins ...

With dainty, soft purple or blue flowers and waxy-looking leaves, the periwinkle plants look pretty but are quite invasive in many parts of the country.

A new public sculpture of a snail has been likened to a “giant poo emoji” and branded a huge waste of public money. The artwork, which cost £6,000, is woven from willow branches and is ...

Newest marsh villain: the periwinkle snail Oil companies, levees and the burrowing nutria have been blamed for destroying Louisiana's marshes -- and now a new culprit arrives: the periwinkle snail.

In one longterm study, Kingston has focused her students’ attention on the rough periwinkle, a common snail found clinging to rocks up and down Maine’s shoreline. This project could open a window into ...

Snail sculpture that cost £6,000 looks like ‘poo emoji’, locals say Chichester coastal reserve visitors pour scorn on 15ft artwork, though one jokes that it reflects ‘the amount of raw ...

Blue crabs are leading predators of periwinkle snails. When there aren’t enough crabs, the snails flourish and feast on the saltmarsh cordgrasses that constitute the heart of marshes along the ...

Fed up with attention they don’t need, some female snails have learned to smell like guys. Unlike other species of periwinkle snail, Littorina saxatilis ladies can’t be identified from ...

Buoyed by the effects of an intense drought, otherwise harmless snails likely killed off thousands of acres of salt marsh in the Southeast in recent years. Periwinkle snails, known to science as ...

A checkered periwinkle marine snail, similar to these sitka periwinkles, was found growing inside an abscess on an 11-year-old Southern California boy’s arm. Emily Grason University of ...