Raccoons and other small mammals such as Opossums, Striped Skunks, and Eastern Cottontails were also observed in Grand Park, Frisco, Texas.

Wikipedia tell us this about Raccoons:

Though previously thought to be solitary, there is now evidence that raccoons engage in gender-specific social behavior. Related females often share a common area, while unrelated males live together in groups of up to four animals to maintain their positions against foreign males during the mating season, and other potential invaders. Home range sizes vary anywhere from 3 hectares (7 acres) for females in cities to 50 km2 (20 sq mi) for males in prairies. After a gestation period of about 65 days, two to five young, known as “kits”, are born in spring. The kits are subsequently raised by their mother until dispersion in late fall. Although captive raccoons have been known to live over 20 years, their average life expectancy in the wild is only 1.8 to 3.1 years. In many areas, hunting and vehicular injury are the two most common causes of death.