Game animals may have been negatively impacted so that both animals and humans had to move to better areas -- most likely along the rivers and coastlines of Southwestern Europe where they could hunt and fish. Solutrean artists left evidence in rock art, which shows sea mammals, deep water fish, and great auks.

Faunal collections also show Solutreans were making use of marine resources, which were available all year round. All this would have required tool kits, waterproof clothes, nets, harpoons, and watercraft.

The authors theorize that seal would have played a large role in their lives. Probably, the Solutreans developed techniques for hunting seal during a colder period, and when the weather got warmer they would have had to travel farther out to find seals, eventually making extended trips. They came to the Atlantic Coast by following the migration of Canadian seals. Some families decided to stay. The authors...
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