Millions of strange aquatic creatures, called Velella velella or By the Wind Sailors, are washing up on California beaches

We observed the creatures at Corona Del Mar in Southern California, but they're washing ashore as far North as Point Reyes

Velella velella are bizarre creatures made up of many small organisms clustered together.

They normally live in the open ocean, and use a translucent "sail" to coast along on top of the water, catching the wind.

Swipe up to read our full story about these strange aquatic creatures, and why they're washing up on California.