The wonderful horror of hermit crabs migrating

The hills are alive with the sound of scuttling.

This video has popped up on lots of sites already, but I kind of love it and wanted to post here. Plus, it made me curious. Where are all those crabs going? And why?

The answers, upon reflection, are rather obvious. They are going to the sea. They are going there to get laid.

Yes, it's hermit crab spring break—set to an epic classical soundtrack—as thousands upon thousands of land-dwelling crabs travel to the ocean to meet other crabs and have sex with them.

Wondrous, isn't it?

Read more:

Hermit crab mating habits from the book Hermit Crabs, by Sue Fox

Annual migrations and spawning of the common land hermit crab; a research paper documenting this phenomenon as it happens in Puerto Rico. Crab love looks much the same all over the world.