What are these tiny black bugs…?
Fleas are quite small (Pin head size) and they jump. Baby ticks (Mites) are black and also small, but they don’t jump and they have eight legs. If it had a red head, it could have been a deer tick, and those can carry limes disease as well as a few other more serious diseases, but they need to be attached to you for at least twelve hours befor you can contact the disease. Fleas burrow under the skin to lay their eggs and irritate it, causing itching and swelling. They prefer your dog, but will bite into you if you are available. I would wash your bedding in hot water and not let your dog back on until he has been treated for fleas and ticks. (Including their eggs.