What I have noticed on my new property is I have mainly just seen one doe and fawn all summer. I have gotten a few pics where another doe would make her way into the lick but it seems that mama doe is always running it off. At least that's what it's looked like in the pics. I did have a group of 3 bucks come in one night but haven't seen them since.
Just before fawning season, doe social groups break up and each doe establishes a fawning territory. The size of an individual doe's fawning territory varies by study with total deer density being a major driving force. Once established, a doe will attack any other deer that enters their territory, and will also attack dogs, people, anything. Does can be VERY aggressive at this time. These territories are chosen by social dominance. The most dominant doe will choose the best territory and then choice of area moves down the dominance ladder. The lowest does on the social ladder may not be able to find a suitable territory within the social group's normal range, hence they will leave the area completely and disperse until each of them finds an unclaimed location. This is why so many does are hit by cars in late May and early June. It is low-on-the-social-ladder does dispersing out of their normal range to find a fawning territory, often crossing areas they are unfamiliar with. Most of these dispersed does will return back to their social group in late summer, with fawn in tow, but not all do.
This is how female dispersal occurs, and the way female genetics spread outwards from a given location. Low-on-the-social-ladder does disperse to find a fawning territory, and instead of returning to a situation where they are low on the social ladder, the stay where they are and create their own new social group from their female offspring.
This is also how Natural Selection in females works. To be dominant, a doe must be large in body, healthy, and mean! Does that have these traits genetically get to choose the best fawning territories, which have the best combination of food and cover. These better fawning territories produce higher fawn survival. So the biggest, healthiest, meanest does have more surviving fawns that carry the genetics for being large, healthy and mean. Survival of the Fittest.