Fleas are tiny, shiny, and reddish-brown in color. They have no wings, but can jump long distances proportionate to their bodies. They are sleek creatures with tiny microscopic hairs that allow them to move quickly through the fur of their hosts. To check for fleas, use a flea comb or a flat object to separate the fur or hair so you can view the skin close up. If you see small, brown, black, or red specks that move, you’ve likely got fleas.