Other distinguishing features are the ears: Those of the golden jackal are smaller and light-colored on the back. The wolf, on the other hand, can be recognized by its dark shoulder fur ...
A “useless” muscle that allows some people to wiggle their ears actually activates when we strain to hear something. Our ape ancestors lost the ability to pivot their ears when they diverged ...
We all develop earwax from time-to-time in our ears. Earwax protects and lubricates the ear canal, but sometimes the build up needs to be cleaned. In some cases it collects on the outer ear or ...