Looking at it, it feels like a thick stretchy sticky rubber, and it comes in three ten-foot rolls you can cut to shape. It claims you can use it on brick, wood, stucco, glass, or even drywall, but ...

pretty low-key in the wildlife lineup. Their only claim to fame is the myth that every so often, for unexplained reasons, all but a handful of the colony will go insane and leap over a cliff to drown ...