[header] How to get burrs out of dog hair [title] Identify what a burr looks like. [step] A bur is a seed that has a hook or teeth on it. These teeth or hooks are designed to latch onto a passing animal's fur, as a means of dispersing the seeds elsewhere. 
Burrs come in all shapes and sizes but they all are seeds that attach themselves to animals. [substeps] Plant awns are similar to burrs except they are bristle-shaped seeds that are shaped like a fish hook.