These beetles walk on water, upside down, underneath the surface

The insect’s inverted surface scurrying is a rare method for getting around

a water scavenger beetle

Water scavenger beetles (one pictured) can reportedly walk along the underside of the water’s surface, a rare ability in the animal kingdom.

Andrew C/Wikimedia Commons (CC BY 2.0)

Being quite small, insects can have a very different relationship with the water-air interface than larger animals do.