At the beach, take only pictures, leave only footprints and sandcastles. The mollusks have enough problems already.
Leave seashells on the seashore or risk damaging ecosystem, says study, Marine life
Leave seashells on the seashore or risk damaging ecosystem, says study, Marine life, Shells
Why seashells are getting harder to find on the seashore
Seashells cover the seashore in Marsaxlokk
Rare seashell finds in Florida include scotch bonnet, queen helmet
If you gather shells on the beach: why do you do it and what do you do with the shells? - Quora
Storm waves along Outer Banks reveal large seashells long buried in dark marsh mud
Seashells by MillhillIdentifying Pieces of Seashells Found on the Beach
How Shells Tell Secrets Of The Sea
The World's Best Beaches For Hunting Seashells, Travel Channel Blog: Roam
British seashell guide: how to identify and where to find
Finding Seashells in the Tide Pools Big Finds at Low Tide #shelling
Leave seashells on the seashore or risk damaging ecosystem, says study, Marine life, Shells
Beachcombing - Padre Island National Seashore (U.S. National Park Service)