Sand bubbler crabs eat sand, make art

I don’t know about you, but I’ve spent many hours on tropical beaches gazing at the crazy patterns of tiny sand footballs left behind by crabs. Here’s a neat up-close video on them doing it.

[vimeo]http://vimeo.com/6449515[/vimeo]

Big HT to Treehugger – head on over there for more info on bubble crabs.